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Finding the Fourth Proportional to 605,722.05, 906,614.78 and 605,722.05

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Solution

The fourth proportional to 605,722.05, 906,614.78 and 605,722.05 is: 906,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,722.05 : 906,614.78 = 605,722.05 : x
  2. Step 2: Convert to fraction form
    605,722.05/906,614.78 = 605,722.05/x
  3. Step 3: Cross multiply
    605,722.05x = 906,614.78 × 605,722.05
  4. Step 4: Simplify right side
    605,722.05x = 549,156,560,073.29
  5. Step 5: Solve for x
    x = 549,156,560,073.29/605,722.05
  6. Step 6: Final answer
    x = 906,614.78

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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.