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Finding the Fourth Proportional to 467,921.70, 701,882.55 and 408,872.70

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Solution

The fourth proportional to 467,921.70, 701,882.55 and 408,872.70 is: 613,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,921.70 : 701,882.55 = 408,872.70 : x
  2. Step 2: Convert to fraction form
    467,921.70/701,882.55 = 408,872.70/x
  3. Step 3: Cross multiply
    467,921.70x = 701,882.55 × 408,872.70
  4. Step 4: Simplify right side
    467,921.70x = 286,980,613,301.39
  5. Step 5: Solve for x
    x = 286,980,613,301.39/467,921.70
  6. Step 6: Final answer
    x = 613,309.05

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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.