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Finding the Fourth Proportional to 486,776.48, 730,233.96 and 149,845.24

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Solution

The fourth proportional to 486,776.48, 730,233.96 and 149,845.24 is: 224,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,776.48 : 730,233.96 = 149,845.24 : x
  2. Step 2: Convert to fraction form
    486,776.48/730,233.96 = 149,845.24/x
  3. Step 3: Cross multiply
    486,776.48x = 730,233.96 × 149,845.24
  4. Step 4: Simplify right side
    486,776.48x = 109,422,082,992.35
  5. Step 5: Solve for x
    x = 109,422,082,992.35/486,776.48
  6. Step 6: Final answer
    x = 224,789.17

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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.