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Finding the Fourth Proportional to 658,346.22, 908,591.75 and 371,884.76

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Solution

The fourth proportional to 658,346.22, 908,591.75 and 371,884.76 is: 513,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,346.22 : 908,591.75 = 371,884.76 : x
  2. Step 2: Convert to fraction form
    658,346.22/908,591.75 = 371,884.76/x
  3. Step 3: Cross multiply
    658,346.22x = 908,591.75 × 371,884.76
  4. Step 4: Simplify right side
    658,346.22x = 337,891,424,886.73
  5. Step 5: Solve for x
    x = 337,891,424,886.73/658,346.22
  6. Step 6: Final answer
    x = 513,242.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.