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Finding the Fourth Proportional to 367,061.80, 550,916.70 and 217,114.60

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Solution

The fourth proportional to 367,061.80, 550,916.70 and 217,114.60 is: 325,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,061.80 : 550,916.70 = 217,114.60 : x
  2. Step 2: Convert to fraction form
    367,061.80/550,916.70 = 217,114.60/x
  3. Step 3: Cross multiply
    367,061.80x = 550,916.70 × 217,114.60
  4. Step 4: Simplify right side
    367,061.80x = 119,612,058,953.82
  5. Step 5: Solve for x
    x = 119,612,058,953.82/367,061.80
  6. Step 6: Final answer
    x = 325,863.54

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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.