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Finding the Fourth Proportional to 656,651.60, 984,977.40 and 570,046.40

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Solution

The fourth proportional to 656,651.60, 984,977.40 and 570,046.40 is: 855,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,651.60 : 984,977.40 = 570,046.40 : x
  2. Step 2: Convert to fraction form
    656,651.60/984,977.40 = 570,046.40/x
  3. Step 3: Cross multiply
    656,651.60x = 984,977.40 × 570,046.40
  4. Step 4: Simplify right side
    656,651.60x = 561,482,820,951.36
  5. Step 5: Solve for x
    x = 561,482,820,951.36/656,651.60
  6. Step 6: Final answer
    x = 855,069.60

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Double scale
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Similar ratio
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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.