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Finding the Fourth Proportional to 483,565.28, 667,113.12 and 301,961.90

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Solution

The fourth proportional to 483,565.28, 667,113.12 and 301,961.90 is: 416,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,565.28 : 667,113.12 = 301,961.90 : x
  2. Step 2: Convert to fraction form
    483,565.28/667,113.12 = 301,961.90/x
  3. Step 3: Cross multiply
    483,565.28x = 667,113.12 × 301,961.90
  4. Step 4: Simplify right side
    483,565.28x = 201,442,746,897.91
  5. Step 5: Solve for x
    x = 201,442,746,897.91/483,565.28
  6. Step 6: Final answer
    x = 416,578.19

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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.