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Finding the Fourth Proportional to 317,998.20, 476,997.30 and 224,686.20

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Solution

The fourth proportional to 317,998.20, 476,997.30 and 224,686.20 is: 337,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,998.20 : 476,997.30 = 224,686.20 : x
  2. Step 2: Convert to fraction form
    317,998.20/476,997.30 = 224,686.20/x
  3. Step 3: Cross multiply
    317,998.20x = 476,997.30 × 224,686.20
  4. Step 4: Simplify right side
    317,998.20x = 107,174,710,747.26
  5. Step 5: Solve for x
    x = 107,174,710,747.26/317,998.20
  6. Step 6: Final answer
    x = 337,029.30

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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.