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Finding the Fourth Proportional to 416,933.38, 625,391.43 and 101,391.94

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Solution

The fourth proportional to 416,933.38, 625,391.43 and 101,391.94 is: 152,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,933.38 : 625,391.43 = 101,391.94 : x
  2. Step 2: Convert to fraction form
    416,933.38/625,391.43 = 101,391.94/x
  3. Step 3: Cross multiply
    416,933.38x = 625,391.43 × 101,391.94
  4. Step 4: Simplify right side
    416,933.38x = 63,409,650,347.07
  5. Step 5: Solve for x
    x = 63,409,650,347.07/416,933.38
  6. Step 6: Final answer
    x = 152,085.81

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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.