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Finding the Fourth Proportional to 502,906.08, 754,854.84 and 369,411.60

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Solution

The fourth proportional to 502,906.08, 754,854.84 and 369,411.60 is: 554,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,906.08 : 754,854.84 = 369,411.60 : x
  2. Step 2: Convert to fraction form
    502,906.08/754,854.84 = 369,411.60/x
  3. Step 3: Cross multiply
    502,906.08x = 754,854.84 × 369,411.60
  4. Step 4: Simplify right side
    502,906.08x = 278,852,134,212.14
  5. Step 5: Solve for x
    x = 278,852,134,212.14/502,906.08
  6. Step 6: Final answer
    x = 554,481.53

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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.