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Finding the Fourth Proportional to 540,951.20, 811,503.60 and 166,935.20

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Solution

The fourth proportional to 540,951.20, 811,503.60 and 166,935.20 is: 250,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,951.20 : 811,503.60 = 166,935.20 : x
  2. Step 2: Convert to fraction form
    540,951.20/811,503.60 = 166,935.20/x
  3. Step 3: Cross multiply
    540,951.20x = 811,503.60 × 166,935.20
  4. Step 4: Simplify right side
    540,951.20x = 135,468,515,766.72
  5. Step 5: Solve for x
    x = 135,468,515,766.72/540,951.20
  6. Step 6: Final answer
    x = 250,426.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 540,952.20, 811,505.10 and 166,936.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.