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Finding the Fourth Proportional to 363,910.47, 545,790.42 and 97,607.63

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Solution

The fourth proportional to 363,910.47, 545,790.42 and 97,607.63 is: 146,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,910.47 : 545,790.42 = 97,607.63 : x
  2. Step 2: Convert to fraction form
    363,910.47/545,790.42 = 97,607.63/x
  3. Step 3: Cross multiply
    363,910.47x = 545,790.42 × 97,607.63
  4. Step 4: Simplify right side
    363,910.47x = 53,273,306,643.95
  5. Step 5: Solve for x
    x = 53,273,306,643.95/363,910.47
  6. Step 6: Final answer
    x = 146,391.24

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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.