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Finding the Fourth Proportional to 372,062.46, 557,812.65 and 191,954.94

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Solution

The fourth proportional to 372,062.46, 557,812.65 and 191,954.94 is: 287,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,062.46 : 557,812.65 = 191,954.94 : x
  2. Step 2: Convert to fraction form
    372,062.46/557,812.65 = 191,954.94/x
  3. Step 3: Cross multiply
    372,062.46x = 557,812.65 × 191,954.94
  4. Step 4: Simplify right side
    372,062.46x = 107,074,893,761.99
  5. Step 5: Solve for x
    x = 107,074,893,761.99/372,062.46
  6. Step 6: Final answer
    x = 287,787.42

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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.