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Finding the Fourth Proportional to 676,961.65, 934,217.30 and 371,035.59

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Solution

The fourth proportional to 676,961.65, 934,217.30 and 371,035.59 is: 512,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,961.65 : 934,217.30 = 371,035.59 : x
  2. Step 2: Convert to fraction form
    676,961.65/934,217.30 = 371,035.59/x
  3. Step 3: Cross multiply
    676,961.65x = 934,217.30 × 371,035.59
  4. Step 4: Simplify right side
    676,961.65x = 346,627,864,517.98
  5. Step 5: Solve for x
    x = 346,627,864,517.98/676,961.65
  6. Step 6: Final answer
    x = 512,034.71

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Double scale
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1.5x scale

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.