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Finding the Fourth Proportional to 363,503.27, 545,262.20 and 97,263.36

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Solution

The fourth proportional to 363,503.27, 545,262.20 and 97,263.36 is: 145,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,503.27 : 545,262.20 = 97,263.36 : x
  2. Step 2: Convert to fraction form
    363,503.27/545,262.20 = 97,263.36/x
  3. Step 3: Cross multiply
    363,503.27x = 545,262.20 × 97,263.36
  4. Step 4: Simplify right side
    363,503.27x = 53,034,033,166.68
  5. Step 5: Solve for x
    x = 53,034,033,166.68/363,503.27
  6. Step 6: Final answer
    x = 145,896.99

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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.