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Finding the Fourth Proportional to 627,299.04, 865,799.04 and 372,600.96

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Solution

The fourth proportional to 627,299.04, 865,799.04 and 372,600.96 is: 514,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,299.04 : 865,799.04 = 372,600.96 : x
  2. Step 2: Convert to fraction form
    627,299.04/865,799.04 = 372,600.96/x
  3. Step 3: Cross multiply
    627,299.04x = 865,799.04 × 372,600.96
  4. Step 4: Simplify right side
    627,299.04x = 322,597,553,471.08
  5. Step 5: Solve for x
    x = 322,597,553,471.08/627,299.04
  6. Step 6: Final answer
    x = 514,264.38

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1.5x scale

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.