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Finding the Fourth Proportional to 488,541.78, 732,814.29 and 173,007.90

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Solution

The fourth proportional to 488,541.78, 732,814.29 and 173,007.90 is: 259,512.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,541.78 : 732,814.29 = 173,007.90 : x
  2. Step 2: Convert to fraction form
    488,541.78/732,814.29 = 173,007.90/x
  3. Step 3: Cross multiply
    488,541.78x = 732,814.29 × 173,007.90
  4. Step 4: Simplify right side
    488,541.78x = 126,782,661,402.89
  5. Step 5: Solve for x
    x = 126,782,661,402.89/488,541.78
  6. Step 6: Final answer
    x = 259,512.42

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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.