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Finding the Fourth Proportional to 431,856.94, 595,963.38 and 240,882.70

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Solution

The fourth proportional to 431,856.94, 595,963.38 and 240,882.70 is: 332,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,856.94 : 595,963.38 = 240,882.70 : x
  2. Step 2: Convert to fraction form
    431,856.94/595,963.38 = 240,882.70/x
  3. Step 3: Cross multiply
    431,856.94x = 595,963.38 × 240,882.70
  4. Step 4: Simplify right side
    431,856.94x = 143,557,268,075.53
  5. Step 5: Solve for x
    x = 143,557,268,075.53/431,856.94
  6. Step 6: Final answer
    x = 332,418.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.