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Finding the Fourth Proportional to 552,180.60, 828,270.90 and 197,206.20

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Solution

The fourth proportional to 552,180.60, 828,270.90 and 197,206.20 is: 295,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,180.60 : 828,270.90 = 197,206.20 : x
  2. Step 2: Convert to fraction form
    552,180.60/828,270.90 = 197,206.20/x
  3. Step 3: Cross multiply
    552,180.60x = 828,270.90 × 197,206.20
  4. Step 4: Simplify right side
    552,180.60x = 163,340,156,759.58
  5. Step 5: Solve for x
    x = 163,340,156,759.58/552,180.60
  6. Step 6: Final answer
    x = 295,809.30

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Double scale
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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.