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Finding the Fourth Proportional to 488,346.60, 732,738.60 and 173,029.80

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Solution

The fourth proportional to 488,346.60, 732,738.60 and 173,029.80 is: 259,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,346.60 : 732,738.60 = 173,029.80 : x
  2. Step 2: Convert to fraction form
    488,346.60/732,738.60 = 173,029.80/x
  3. Step 3: Cross multiply
    488,346.60x = 732,738.60 × 173,029.80
  4. Step 4: Simplify right side
    488,346.60x = 126,785,613,410.28
  5. Step 5: Solve for x
    x = 126,785,613,410.28/488,346.60
  6. Step 6: Final answer
    x = 259,622.19

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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.