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Finding the Fourth Proportional to 408,715.06, 613,065.44 and 183,916.39

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Solution

The fourth proportional to 408,715.06, 613,065.44 and 183,916.39 is: 275,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,715.06 : 613,065.44 = 183,916.39 : x
  2. Step 2: Convert to fraction form
    408,715.06/613,065.44 = 183,916.39/x
  3. Step 3: Cross multiply
    408,715.06x = 613,065.44 × 183,916.39
  4. Step 4: Simplify right side
    408,715.06x = 112,752,781,638.98
  5. Step 5: Solve for x
    x = 112,752,781,638.98/408,715.06
  6. Step 6: Final answer
    x = 275,871.37

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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.