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Finding the Fourth Proportional to 363,513.41, 545,262.31 and 97,273.90

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Solution

The fourth proportional to 363,513.41, 545,262.31 and 97,273.90 is: 145,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,513.41 : 545,262.31 = 97,273.90 : x
  2. Step 2: Convert to fraction form
    363,513.41/545,262.31 = 97,273.90/x
  3. Step 3: Cross multiply
    363,513.41x = 545,262.31 × 97,273.90
  4. Step 4: Simplify right side
    363,513.41x = 53,039,791,416.71
  5. Step 5: Solve for x
    x = 53,039,791,416.71/363,513.41
  6. Step 6: Final answer
    x = 145,908.76

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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.