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Finding the Fourth Proportional to 615,854.92, 849,644.82 and 374,046.28

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Solution

The fourth proportional to 615,854.92, 849,644.82 and 374,046.28 is: 516,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,854.92 : 849,644.82 = 374,046.28 : x
  2. Step 2: Convert to fraction form
    615,854.92/849,644.82 = 374,046.28/x
  3. Step 3: Cross multiply
    615,854.92x = 849,644.82 × 374,046.28
  4. Step 4: Simplify right side
    615,854.92x = 317,806,484,242.27
  5. Step 5: Solve for x
    x = 317,806,484,242.27/615,854.92
  6. Step 6: Final answer
    x = 516,041.16

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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.