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Finding the Fourth Proportional to 508,123.46, 762,480.43 and 227,640.71

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Solution

The fourth proportional to 508,123.46, 762,480.43 and 227,640.71 is: 341,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,123.46 : 762,480.43 = 227,640.71 : x
  2. Step 2: Convert to fraction form
    508,123.46/762,480.43 = 227,640.71/x
  3. Step 3: Cross multiply
    508,123.46x = 762,480.43 × 227,640.71
  4. Step 4: Simplify right side
    508,123.46x = 173,571,582,064.80
  5. Step 5: Solve for x
    x = 173,571,582,064.80/508,123.46
  6. Step 6: Final answer
    x = 341,593.33

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1.5x scale

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.