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Finding the Fourth Proportional to 367,381.32, 550,545.74 and 209,283.32

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Solution

The fourth proportional to 367,381.32, 550,545.74 and 209,283.32 is: 313,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,381.32 : 550,545.74 = 209,283.32 : x
  2. Step 2: Convert to fraction form
    367,381.32/550,545.74 = 209,283.32/x
  3. Step 3: Cross multiply
    367,381.32x = 550,545.74 × 209,283.32
  4. Step 4: Simplify right side
    367,381.32x = 115,220,040,279.06
  5. Step 5: Solve for x
    x = 115,220,040,279.06/367,381.32
  6. Step 6: Final answer
    x = 313,625.20

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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.