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Finding the Fourth Proportional to 291,487.74, 437,231.70 and 225,024.90

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Solution

The fourth proportional to 291,487.74, 437,231.70 and 225,024.90 is: 337,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,487.74 : 437,231.70 = 225,024.90 : x
  2. Step 2: Convert to fraction form
    291,487.74/437,231.70 = 225,024.90/x
  3. Step 3: Cross multiply
    291,487.74x = 437,231.70 × 225,024.90
  4. Step 4: Simplify right side
    291,487.74x = 98,388,019,569.33
  5. Step 5: Solve for x
    x = 98,388,019,569.33/291,487.74
  6. Step 6: Final answer
    x = 337,537.42

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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.