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Finding the Fourth Proportional to 362,881.61, 500,787.48 and 199,529.64

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Solution

The fourth proportional to 362,881.61, 500,787.48 and 199,529.64 is: 275,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,881.61 : 500,787.48 = 199,529.64 : x
  2. Step 2: Convert to fraction form
    362,881.61/500,787.48 = 199,529.64/x
  3. Step 3: Cross multiply
    362,881.61x = 500,787.48 × 199,529.64
  4. Step 4: Simplify right side
    362,881.61x = 99,921,945,600.91
  5. Step 5: Solve for x
    x = 99,921,945,600.91/362,881.61
  6. Step 6: Final answer
    x = 275,356.88

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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.