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Finding the Fourth Proportional to 362,098.89, 499,921.88 and 339,504.75

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Solution

The fourth proportional to 362,098.89, 499,921.88 and 339,504.75 is: 468,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,098.89 : 499,921.88 = 339,504.75 : x
  2. Step 2: Convert to fraction form
    362,098.89/499,921.88 = 339,504.75/x
  3. Step 3: Cross multiply
    362,098.89x = 499,921.88 × 339,504.75
  4. Step 4: Simplify right side
    362,098.89x = 169,725,851,191.41
  5. Step 5: Solve for x
    x = 169,725,851,191.41/362,098.89
  6. Step 6: Final answer
    x = 468,727.90

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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.