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Finding the Fourth Proportional to 481,572.72, 721,694.79 and 363,113.87

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Solution

The fourth proportional to 481,572.72, 721,694.79 and 363,113.87 is: 544,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,572.72 : 721,694.79 = 363,113.87 : x
  2. Step 2: Convert to fraction form
    481,572.72/721,694.79 = 363,113.87/x
  3. Step 3: Cross multiply
    481,572.72x = 721,694.79 × 363,113.87
  4. Step 4: Simplify right side
    481,572.72x = 262,057,384,547.26
  5. Step 5: Solve for x
    x = 262,057,384,547.26/481,572.72
  6. Step 6: Final answer
    x = 544,169.91

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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.