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Finding the Fourth Proportional to 531,615.60, 797,423.40 and 251,679.60

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Solution

The fourth proportional to 531,615.60, 797,423.40 and 251,679.60 is: 377,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,615.60 : 797,423.40 = 251,679.60 : x
  2. Step 2: Convert to fraction form
    531,615.60/797,423.40 = 251,679.60/x
  3. Step 3: Cross multiply
    531,615.60x = 797,423.40 × 251,679.60
  4. Step 4: Simplify right side
    531,615.60x = 200,695,202,342.64
  5. Step 5: Solve for x
    x = 200,695,202,342.64/531,615.60
  6. Step 6: Final answer
    x = 377,519.40

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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.