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Finding the Fourth Proportional to 363,475.35, 545,169.96 and 97,256.43

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Solution

The fourth proportional to 363,475.35, 545,169.96 and 97,256.43 is: 145,873.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,475.35 : 545,169.96 = 97,256.43 : x
  2. Step 2: Convert to fraction form
    363,475.35/545,169.96 = 97,256.43/x
  3. Step 3: Cross multiply
    363,475.35x = 545,169.96 × 97,256.43
  4. Step 4: Simplify right side
    363,475.35x = 53,021,284,052.84
  5. Step 5: Solve for x
    x = 53,021,284,052.84/363,475.35
  6. Step 6: Final answer
    x = 145,873.12

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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.