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Finding the Fourth Proportional to 416,562.84, 574,426.67 and 356,332.86

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Solution

The fourth proportional to 416,562.84, 574,426.67 and 356,332.86 is: 491,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,562.84 : 574,426.67 = 356,332.86 : x
  2. Step 2: Convert to fraction form
    416,562.84/574,426.67 = 356,332.86/x
  3. Step 3: Cross multiply
    416,562.84x = 574,426.67 × 356,332.86
  4. Step 4: Simplify right side
    416,562.84x = 204,687,096,399.71
  5. Step 5: Solve for x
    x = 204,687,096,399.71/416,562.84
  6. Step 6: Final answer
    x = 491,371.47

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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.