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Finding the Fourth Proportional to 608,769.22, 840,439.38 and 367,113.02

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Solution

The fourth proportional to 608,769.22, 840,439.38 and 367,113.02 is: 506,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,769.22 : 840,439.38 = 367,113.02 : x
  2. Step 2: Convert to fraction form
    608,769.22/840,439.38 = 367,113.02/x
  3. Step 3: Cross multiply
    608,769.22x = 840,439.38 × 367,113.02
  4. Step 4: Simplify right side
    608,769.22x = 308,536,238,918.73
  5. Step 5: Solve for x
    x = 308,536,238,918.73/608,769.22
  6. Step 6: Final answer
    x = 506,819.71

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1.5x scale

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.