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Finding the Fourth Proportional to 363,603.30, 545,404.95 and 97,404.90

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Solution

The fourth proportional to 363,603.30, 545,404.95 and 97,404.90 is: 146,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,603.30 : 545,404.95 = 97,404.90 : x
  2. Step 2: Convert to fraction form
    363,603.30/545,404.95 = 97,404.90/x
  3. Step 3: Cross multiply
    363,603.30x = 545,404.95 × 97,404.90
  4. Step 4: Simplify right side
    363,603.30x = 53,125,114,614.26
  5. Step 5: Solve for x
    x = 53,125,114,614.26/363,603.30
  6. Step 6: Final answer
    x = 146,107.35

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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.