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Finding the Fourth Proportional to 360,392.76, 497,343.96 and 197,049.78

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Solution

The fourth proportional to 360,392.76, 497,343.96 and 197,049.78 is: 271,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,392.76 : 497,343.96 = 197,049.78 : x
  2. Step 2: Convert to fraction form
    360,392.76/497,343.96 = 197,049.78/x
  3. Step 3: Cross multiply
    360,392.76x = 497,343.96 × 197,049.78
  4. Step 4: Simplify right side
    360,392.76x = 98,001,517,902.33
  5. Step 5: Solve for x
    x = 98,001,517,902.33/360,392.76
  6. Step 6: Final answer
    x = 271,929.76

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Double scale
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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.