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Finding the Fourth Proportional to 325,562.88, 448,934.40 and 240,856.32

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Solution

The fourth proportional to 325,562.88, 448,934.40 and 240,856.32 is: 332,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,562.88 : 448,934.40 = 240,856.32 : x
  2. Step 2: Convert to fraction form
    325,562.88/448,934.40 = 240,856.32/x
  3. Step 3: Cross multiply
    325,562.88x = 448,934.40 × 240,856.32
  4. Step 4: Simplify right side
    325,562.88x = 108,128,687,505.41
  5. Step 5: Solve for x
    x = 108,128,687,505.41/325,562.88
  6. Step 6: Final answer
    x = 332,128.43

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1.5x scale

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.