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Finding the Fourth Proportional to 480,560.88, 721,137.78 and 244,073.28

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Solution

The fourth proportional to 480,560.88, 721,137.78 and 244,073.28 is: 366,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,560.88 : 721,137.78 = 244,073.28 : x
  2. Step 2: Convert to fraction form
    480,560.88/721,137.78 = 244,073.28/x
  3. Step 3: Cross multiply
    480,560.88x = 721,137.78 × 244,073.28
  4. Step 4: Simplify right side
    480,560.88x = 176,010,463,296.52
  5. Step 5: Solve for x
    x = 176,010,463,296.52/480,560.88
  6. Step 6: Final answer
    x = 366,260.49

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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.