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Finding the Fourth Proportional to 676,892.80, 934,110.12 and 375,086.80

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Solution

The fourth proportional to 676,892.80, 934,110.12 and 375,086.80 is: 517,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,892.80 : 934,110.12 = 375,086.80 : x
  2. Step 2: Convert to fraction form
    676,892.80/934,110.12 = 375,086.80/x
  3. Step 3: Cross multiply
    676,892.80x = 934,110.12 × 375,086.80
  4. Step 4: Simplify right side
    676,892.80x = 350,372,375,758.42
  5. Step 5: Solve for x
    x = 350,372,375,758.42/676,892.80
  6. Step 6: Final answer
    x = 517,618.71

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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.