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Finding the Fourth Proportional to 363,572.70, 545,386.39 and 97,327.32

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Solution

The fourth proportional to 363,572.70, 545,386.39 and 97,327.32 is: 145,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,572.70 : 545,386.39 = 97,327.32 : x
  2. Step 2: Convert to fraction form
    363,572.70/545,386.39 = 97,327.32/x
  3. Step 3: Cross multiply
    363,572.70x = 545,386.39 × 97,327.32
  4. Step 4: Simplify right side
    363,572.70x = 53,080,995,703.17
  5. Step 5: Solve for x
    x = 53,080,995,703.17/363,572.70
  6. Step 6: Final answer
    x = 145,998.30

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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.