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Finding the Fourth Proportional to 605,151.11, 907,868.81 and 339,095.27

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Solution

The fourth proportional to 605,151.11, 907,868.81 and 339,095.27 is: 508,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,151.11 : 907,868.81 = 339,095.27 : x
  2. Step 2: Convert to fraction form
    605,151.11/907,868.81 = 339,095.27/x
  3. Step 3: Cross multiply
    605,151.11x = 907,868.81 × 339,095.27
  4. Step 4: Simplify right side
    605,151.11x = 307,854,013,016.71
  5. Step 5: Solve for x
    x = 307,854,013,016.71/605,151.11
  6. Step 6: Final answer
    x = 508,722.55

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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.