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Finding the Fourth Proportional to 394,151.88, 591,305.73 and 141,364.77

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Solution

The fourth proportional to 394,151.88, 591,305.73 and 141,364.77 is: 212,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,151.88 : 591,305.73 = 141,364.77 : x
  2. Step 2: Convert to fraction form
    394,151.88/591,305.73 = 141,364.77/x
  3. Step 3: Cross multiply
    394,151.88x = 591,305.73 × 141,364.77
  4. Step 4: Simplify right side
    394,151.88x = 83,589,798,521.13
  5. Step 5: Solve for x
    x = 83,589,798,521.13/394,151.88
  6. Step 6: Final answer
    x = 212,075.10

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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.