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Finding the Fourth Proportional to 822,797.20, 1,234,195.80 and 506,227.60

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Solution

The fourth proportional to 822,797.20, 1,234,195.80 and 506,227.60 is: 759,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,797.20 : 1,234,195.80 = 506,227.60 : x
  2. Step 2: Convert to fraction form
    822,797.20/1,234,195.80 = 506,227.60/x
  3. Step 3: Cross multiply
    822,797.20x = 1,234,195.80 × 506,227.60
  4. Step 4: Simplify right side
    822,797.20x = 624,783,977,764.08
  5. Step 5: Solve for x
    x = 624,783,977,764.08/822,797.20
  6. Step 6: Final answer
    x = 759,341.40

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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.