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Finding the Fourth Proportional to 523,935.60, 785,903.40 and 168,961.20

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Solution

The fourth proportional to 523,935.60, 785,903.40 and 168,961.20 is: 253,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,935.60 : 785,903.40 = 168,961.20 : x
  2. Step 2: Convert to fraction form
    523,935.60/785,903.40 = 168,961.20/x
  3. Step 3: Cross multiply
    523,935.60x = 785,903.40 × 168,961.20
  4. Step 4: Simplify right side
    523,935.60x = 132,787,181,548.08
  5. Step 5: Solve for x
    x = 132,787,181,548.08/523,935.60
  6. Step 6: Final answer
    x = 253,441.80

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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.