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Finding the Fourth Proportional to 439,132.88, 606,003.78 and 237,928.88

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Solution

The fourth proportional to 439,132.88, 606,003.78 and 237,928.88 is: 328,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,132.88 : 606,003.78 = 237,928.88 : x
  2. Step 2: Convert to fraction form
    439,132.88/606,003.78 = 237,928.88/x
  3. Step 3: Cross multiply
    439,132.88x = 606,003.78 × 237,928.88
  4. Step 4: Simplify right side
    439,132.88x = 144,185,797,621.15
  5. Step 5: Solve for x
    x = 144,185,797,621.15/439,132.88
  6. Step 6: Final answer
    x = 328,342.07

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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.