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Finding the Fourth Proportional to 367,193.57, 550,947.06 and 207,389.48

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Solution

The fourth proportional to 367,193.57, 550,947.06 and 207,389.48 is: 311,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,193.57 : 550,947.06 = 207,389.48 : x
  2. Step 2: Convert to fraction form
    367,193.57/550,947.06 = 207,389.48/x
  3. Step 3: Cross multiply
    367,193.57x = 550,947.06 × 207,389.48
  4. Step 4: Simplify right side
    367,193.57x = 114,260,621,526.19
  5. Step 5: Solve for x
    x = 114,260,621,526.19/367,193.57
  6. Step 6: Final answer
    x = 311,172.72

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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.