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Finding the Fourth Proportional to 552,463.60, 828,695.40 and 197,489.20

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Solution

The fourth proportional to 552,463.60, 828,695.40 and 197,489.20 is: 296,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,463.60 : 828,695.40 = 197,489.20 : x
  2. Step 2: Convert to fraction form
    552,463.60/828,695.40 = 197,489.20/x
  3. Step 3: Cross multiply
    552,463.60x = 828,695.40 × 197,489.20
  4. Step 4: Simplify right side
    552,463.60x = 163,658,391,589.68
  5. Step 5: Solve for x
    x = 163,658,391,589.68/552,463.60
  6. Step 6: Final answer
    x = 296,233.80

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Similar ratio
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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.