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Finding the Fourth Proportional to 360,712.56, 497,481.30 and 270,280.92

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Solution

The fourth proportional to 360,712.56, 497,481.30 and 270,280.92 is: 372,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,712.56 : 497,481.30 = 270,280.92 : x
  2. Step 2: Convert to fraction form
    360,712.56/497,481.30 = 270,280.92/x
  3. Step 3: Cross multiply
    360,712.56x = 497,481.30 × 270,280.92
  4. Step 4: Simplify right side
    360,712.56x = 134,459,703,446.80
  5. Step 5: Solve for x
    x = 134,459,703,446.80/360,712.56
  6. Step 6: Final answer
    x = 372,761.36

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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.