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Finding the Fourth Proportional to 556,023.60, 834,035.40 and 331,637.40

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Solution

The fourth proportional to 556,023.60, 834,035.40 and 331,637.40 is: 497,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,023.60 : 834,035.40 = 331,637.40 : x
  2. Step 2: Convert to fraction form
    556,023.60/834,035.40 = 331,637.40/x
  3. Step 3: Cross multiply
    556,023.60x = 834,035.40 × 331,637.40
  4. Step 4: Simplify right side
    556,023.60x = 276,597,331,563.96
  5. Step 5: Solve for x
    x = 276,597,331,563.96/556,023.60
  6. Step 6: Final answer
    x = 497,456.10

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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.