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Finding the Fourth Proportional to 662,682.20, 994,023.30 and 347,098.10

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Solution

The fourth proportional to 662,682.20, 994,023.30 and 347,098.10 is: 520,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,682.20 : 994,023.30 = 347,098.10 : x
  2. Step 2: Convert to fraction form
    662,682.20/994,023.30 = 347,098.10/x
  3. Step 3: Cross multiply
    662,682.20x = 994,023.30 × 347,098.10
  4. Step 4: Simplify right side
    662,682.20x = 345,023,598,785.73
  5. Step 5: Solve for x
    x = 345,023,598,785.73/662,682.20
  6. Step 6: Final answer
    x = 520,647.15

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Half scale
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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.