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Finding the Fourth Proportional to 480,572.88, 721,155.78 and 244,085.28

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Solution

The fourth proportional to 480,572.88, 721,155.78 and 244,085.28 is: 366,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,572.88 : 721,155.78 = 244,085.28 : x
  2. Step 2: Convert to fraction form
    480,572.88/721,155.78 = 244,085.28/x
  3. Step 3: Cross multiply
    480,572.88x = 721,155.78 × 244,085.28
  4. Step 4: Simplify right side
    480,572.88x = 176,023,510,484.92
  5. Step 5: Solve for x
    x = 176,023,510,484.92/480,572.88
  6. Step 6: Final answer
    x = 366,278.49

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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.