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Finding the Fourth Proportional to 439,572.48, 659,358.72 and 159,024.48

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Solution

The fourth proportional to 439,572.48, 659,358.72 and 159,024.48 is: 238,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,572.48 : 659,358.72 = 159,024.48 : x
  2. Step 2: Convert to fraction form
    439,572.48/659,358.72 = 159,024.48/x
  3. Step 3: Cross multiply
    439,572.48x = 659,358.72 × 159,024.48
  4. Step 4: Simplify right side
    439,572.48x = 104,854,177,581.47
  5. Step 5: Solve for x
    x = 104,854,177,581.47/439,572.48
  6. Step 6: Final answer
    x = 238,536.72

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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.