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Finding the Fourth Proportional to 417,325.97, 626,034.93 and 132,950.36

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Solution

The fourth proportional to 417,325.97, 626,034.93 and 132,950.36 is: 199,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,325.97 : 626,034.93 = 132,950.36 : x
  2. Step 2: Convert to fraction form
    417,325.97/626,034.93 = 132,950.36/x
  3. Step 3: Cross multiply
    417,325.97x = 626,034.93 × 132,950.36
  4. Step 4: Simplify right side
    417,325.97x = 83,231,570,382.60
  5. Step 5: Solve for x
    x = 83,231,570,382.60/417,325.97
  6. Step 6: Final answer
    x = 199,440.19

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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.