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Finding the Fourth Proportional to 540,908.20, 811,362.30 and 166,882.60

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Solution

The fourth proportional to 540,908.20, 811,362.30 and 166,882.60 is: 250,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,908.20 : 811,362.30 = 166,882.60 : x
  2. Step 2: Convert to fraction form
    540,908.20/811,362.30 = 166,882.60/x
  3. Step 3: Cross multiply
    540,908.20x = 811,362.30 × 166,882.60
  4. Step 4: Simplify right side
    540,908.20x = 135,402,250,165.98
  5. Step 5: Solve for x
    x = 135,402,250,165.98/540,908.20
  6. Step 6: Final answer
    x = 250,323.90

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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.