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Finding the Fourth Proportional to 471,231.38, 650,691.70 and 437,040.74

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Solution

The fourth proportional to 471,231.38, 650,691.70 and 437,040.74 is: 603,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,231.38 : 650,691.70 = 437,040.74 : x
  2. Step 2: Convert to fraction form
    471,231.38/650,691.70 = 437,040.74/x
  3. Step 3: Cross multiply
    471,231.38x = 650,691.70 × 437,040.74
  4. Step 4: Simplify right side
    471,231.38x = 284,378,782,079.86
  5. Step 5: Solve for x
    x = 284,378,782,079.86/471,231.38
  6. Step 6: Final answer
    x = 603,480.15

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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.