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Finding the Fourth Proportional to 592,956.78, 888,319.20 and 293,086.30

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Solution

The fourth proportional to 592,956.78, 888,319.20 and 293,086.30 is: 439,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,956.78 : 888,319.20 = 293,086.30 : x
  2. Step 2: Convert to fraction form
    592,956.78/888,319.20 = 293,086.30/x
  3. Step 3: Cross multiply
    592,956.78x = 888,319.20 × 293,086.30
  4. Step 4: Simplify right side
    592,956.78x = 260,354,187,546.96
  5. Step 5: Solve for x
    x = 260,354,187,546.96/592,956.78
  6. Step 6: Final answer
    x = 439,077.85

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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.