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Finding the Fourth Proportional to 488,710.53, 732,967.38 and 133,760.43

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Solution

The fourth proportional to 488,710.53, 732,967.38 and 133,760.43 is: 200,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,710.53 : 732,967.38 = 133,760.43 : x
  2. Step 2: Convert to fraction form
    488,710.53/732,967.38 = 133,760.43/x
  3. Step 3: Cross multiply
    488,710.53x = 732,967.38 × 133,760.43
  4. Step 4: Simplify right side
    488,710.53x = 98,042,031,924.77
  5. Step 5: Solve for x
    x = 98,042,031,924.77/488,710.53
  6. Step 6: Final answer
    x = 200,613.71

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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.