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Finding the Fourth Proportional to 607,866.59, 838,875.17 and 332,218.39

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Solution

The fourth proportional to 607,866.59, 838,875.17 and 332,218.39 is: 458,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,866.59 : 838,875.17 = 332,218.39 : x
  2. Step 2: Convert to fraction form
    607,866.59/838,875.17 = 332,218.39/x
  3. Step 3: Cross multiply
    607,866.59x = 838,875.17 × 332,218.39
  4. Step 4: Simplify right side
    607,866.59x = 278,689,757,121.73
  5. Step 5: Solve for x
    x = 278,689,757,121.73/607,866.59
  6. Step 6: Final answer
    x = 458,471.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.