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Finding the Fourth Proportional to 608,769.24, 840,439.40 and 367,113

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Solution

The fourth proportional to 608,769.24, 840,439.40 and 367,113 is: 506,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,769.24 : 840,439.40 = 367,113 : x
  2. Step 2: Convert to fraction form
    608,769.24/840,439.40 = 367,113/x
  3. Step 3: Cross multiply
    608,769.24x = 840,439.40 × 367,113
  4. Step 4: Simplify right side
    608,769.24x = 308,536,229,452.20
  5. Step 5: Solve for x
    x = 308,536,229,452.20/608,769.24
  6. Step 6: Final answer
    x = 506,819.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.