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Finding the Fourth Proportional to 676,996.50, 934,255.17 and 375,209.94

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Solution

The fourth proportional to 676,996.50, 934,255.17 and 375,209.94 is: 517,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,996.50 : 934,255.17 = 375,209.94 : x
  2. Step 2: Convert to fraction form
    676,996.50/934,255.17 = 375,209.94/x
  3. Step 3: Cross multiply
    676,996.50x = 934,255.17 × 375,209.94
  4. Step 4: Simplify right side
    676,996.50x = 350,541,826,280.39
  5. Step 5: Solve for x
    x = 350,541,826,280.39/676,996.50
  6. Step 6: Final answer
    x = 517,789.72

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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.