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Finding the Fourth Proportional to 653,445.60, 980,168.40 and 548,469.60

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Solution

The fourth proportional to 653,445.60, 980,168.40 and 548,469.60 is: 822,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,445.60 : 980,168.40 = 548,469.60 : x
  2. Step 2: Convert to fraction form
    653,445.60/980,168.40 = 548,469.60/x
  3. Step 3: Cross multiply
    653,445.60x = 980,168.40 × 548,469.60
  4. Step 4: Simplify right side
    653,445.60x = 537,592,570,280.64
  5. Step 5: Solve for x
    x = 537,592,570,280.64/653,445.60
  6. Step 6: Final answer
    x = 822,704.40

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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.