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Finding the Fourth Proportional to 522,773.20, 784,159.80 and 503,090.20

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Solution

The fourth proportional to 522,773.20, 784,159.80 and 503,090.20 is: 754,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,773.20 : 784,159.80 = 503,090.20 : x
  2. Step 2: Convert to fraction form
    522,773.20/784,159.80 = 503,090.20/x
  3. Step 3: Cross multiply
    522,773.20x = 784,159.80 × 503,090.20
  4. Step 4: Simplify right side
    522,773.20x = 394,503,110,613.96
  5. Step 5: Solve for x
    x = 394,503,110,613.96/522,773.20
  6. Step 6: Final answer
    x = 754,635.30

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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.