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Finding the Fourth Proportional to 417,423.88, 626,237.72 and 133,114.43

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Solution

The fourth proportional to 417,423.88, 626,237.72 and 133,114.43 is: 199,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,423.88 : 626,237.72 = 133,114.43 : x
  2. Step 2: Convert to fraction form
    417,423.88/626,237.72 = 133,114.43/x
  3. Step 3: Cross multiply
    417,423.88x = 626,237.72 × 133,114.43
  4. Step 4: Simplify right side
    417,423.88x = 83,361,278,707.89
  5. Step 5: Solve for x
    x = 83,361,278,707.89/417,423.88
  6. Step 6: Final answer
    x = 199,704.15

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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.