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Finding the Fourth Proportional to 488,672.90, 731,842.95 and 488,672.90

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Solution

The fourth proportional to 488,672.90, 731,842.95 and 488,672.90 is: 731,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,672.90 : 731,842.95 = 488,672.90 : x
  2. Step 2: Convert to fraction form
    488,672.90/731,842.95 = 488,672.90/x
  3. Step 3: Cross multiply
    488,672.90x = 731,842.95 × 488,672.90
  4. Step 4: Simplify right side
    488,672.90x = 357,631,816,721.06
  5. Step 5: Solve for x
    x = 357,631,816,721.06/488,672.90
  6. Step 6: Final answer
    x = 731,842.95

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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.