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Finding the Fourth Proportional to 627,654.04, 866,288.58 and 372,955.96

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Solution

The fourth proportional to 627,654.04, 866,288.58 and 372,955.96 is: 514,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,654.04 : 866,288.58 = 372,955.96 : x
  2. Step 2: Convert to fraction form
    627,654.04/866,288.58 = 372,955.96/x
  3. Step 3: Cross multiply
    627,654.04x = 866,288.58 × 372,955.96
  4. Step 4: Simplify right side
    627,654.04x = 323,087,488,990.94
  5. Step 5: Solve for x
    x = 323,087,488,990.94/627,654.04
  6. Step 6: Final answer
    x = 514,754.10

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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.