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Finding the Fourth Proportional to 502,694.53, 754,035.15 and 123,618.53

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Solution

The fourth proportional to 502,694.53, 754,035.15 and 123,618.53 is: 185,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,694.53 : 754,035.15 = 123,618.53 : x
  2. Step 2: Convert to fraction form
    502,694.53/754,035.15 = 123,618.53/x
  3. Step 3: Cross multiply
    502,694.53x = 754,035.15 × 123,618.53
  4. Step 4: Simplify right side
    502,694.53x = 93,212,716,811.33
  5. Step 5: Solve for x
    x = 93,212,716,811.33/502,694.53
  6. Step 6: Final answer
    x = 185,426.16

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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.