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Finding the Fourth Proportional to 486,663.52, 729,937.68 and 149,703.52

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Solution

The fourth proportional to 486,663.52, 729,937.68 and 149,703.52 is: 224,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,663.52 : 729,937.68 = 149,703.52 : x
  2. Step 2: Convert to fraction form
    486,663.52/729,937.68 = 149,703.52/x
  3. Step 3: Cross multiply
    486,663.52x = 729,937.68 × 149,703.52
  4. Step 4: Simplify right side
    486,663.52x = 109,274,240,076.63
  5. Step 5: Solve for x
    x = 109,274,240,076.63/486,663.52
  6. Step 6: Final answer
    x = 224,537.56

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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.