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Finding the Fourth Proportional to 415,373.04, 623,553.12 and 349,631.28

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Solution

The fourth proportional to 415,373.04, 623,553.12 and 349,631.28 is: 524,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,373.04 : 623,553.12 = 349,631.28 : x
  2. Step 2: Convert to fraction form
    415,373.04/623,553.12 = 349,631.28/x
  3. Step 3: Cross multiply
    415,373.04x = 623,553.12 × 349,631.28
  4. Step 4: Simplify right side
    415,373.04x = 218,013,675,493.59
  5. Step 5: Solve for x
    x = 218,013,675,493.59/415,373.04
  6. Step 6: Final answer
    x = 524,862.36

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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.