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Finding the Fourth Proportional to 488,512.17, 731,685.56 and 375,359.49

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Solution

The fourth proportional to 488,512.17, 731,685.56 and 375,359.49 is: 562,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,512.17 : 731,685.56 = 375,359.49 : x
  2. Step 2: Convert to fraction form
    488,512.17/731,685.56 = 375,359.49/x
  3. Step 3: Cross multiply
    488,512.17x = 731,685.56 × 375,359.49
  4. Step 4: Simplify right side
    488,512.17x = 274,645,116,765.17
  5. Step 5: Solve for x
    x = 274,645,116,765.17/488,512.17
  6. Step 6: Final answer
    x = 562,207.32

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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.