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Finding the Fourth Proportional to 324,559.90, 486,724.65 and 224,719.90

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Solution

The fourth proportional to 324,559.90, 486,724.65 and 224,719.90 is: 337,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,559.90 : 486,724.65 = 224,719.90 : x
  2. Step 2: Convert to fraction form
    324,559.90/486,724.65 = 224,719.90/x
  3. Step 3: Cross multiply
    324,559.90x = 486,724.65 × 224,719.90
  4. Step 4: Simplify right side
    324,559.90x = 109,376,714,675.54
  5. Step 5: Solve for x
    x = 109,376,714,675.54/324,559.90
  6. Step 6: Final answer
    x = 337,000.09

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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.