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Finding the Fourth Proportional to 488,227.73, 732,074.61 and 387,671.72

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Solution

The fourth proportional to 488,227.73, 732,074.61 and 387,671.72 is: 581,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,227.73 : 732,074.61 = 387,671.72 : x
  2. Step 2: Convert to fraction form
    488,227.73/732,074.61 = 387,671.72/x
  3. Step 3: Cross multiply
    488,227.73x = 732,074.61 × 387,671.72
  4. Step 4: Simplify right side
    488,227.73x = 283,804,619,566.66
  5. Step 5: Solve for x
    x = 283,804,619,566.66/488,227.73
  6. Step 6: Final answer
    x = 581,295.58

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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.