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Finding the Fourth Proportional to 656,566.80, 984,850.20 and 573,622.80

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Solution

The fourth proportional to 656,566.80, 984,850.20 and 573,622.80 is: 860,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,566.80 : 984,850.20 = 573,622.80 : x
  2. Step 2: Convert to fraction form
    656,566.80/984,850.20 = 573,622.80/x
  3. Step 3: Cross multiply
    656,566.80x = 984,850.20 × 573,622.80
  4. Step 4: Simplify right side
    656,566.80x = 564,932,529,304.56
  5. Step 5: Solve for x
    x = 564,932,529,304.56/656,566.80
  6. Step 6: Final answer
    x = 860,434.20

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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.