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Finding the Fourth Proportional to 275,489.10, 413,233.65 and 240,497.10

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Solution

The fourth proportional to 275,489.10, 413,233.65 and 240,497.10 is: 360,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,489.10 : 413,233.65 = 240,497.10 : x
  2. Step 2: Convert to fraction form
    275,489.10/413,233.65 = 240,497.10/x
  3. Step 3: Cross multiply
    275,489.10x = 413,233.65 × 240,497.10
  4. Step 4: Simplify right side
    275,489.10x = 99,381,494,447.42
  5. Step 5: Solve for x
    x = 99,381,494,447.42/275,489.10
  6. Step 6: Final answer
    x = 360,745.65

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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.