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Finding the Fourth Proportional to 488,716.76, 732,845.06 and 189,337.52

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Solution

The fourth proportional to 488,716.76, 732,845.06 and 189,337.52 is: 283,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,716.76 : 732,845.06 = 189,337.52 : x
  2. Step 2: Convert to fraction form
    488,716.76/732,845.06 = 189,337.52/x
  3. Step 3: Cross multiply
    488,716.76x = 732,845.06 × 189,337.52
  4. Step 4: Simplify right side
    488,716.76x = 138,755,066,204.65
  5. Step 5: Solve for x
    x = 138,755,066,204.65/488,716.76
  6. Step 6: Final answer
    x = 283,917.14

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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.