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Finding the Fourth Proportional to 243,761.36, 362,978.56 and 234,793.28

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Solution

The fourth proportional to 243,761.36, 362,978.56 and 234,793.28 is: 349,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,761.36 : 362,978.56 = 234,793.28 : x
  2. Step 2: Convert to fraction form
    243,761.36/362,978.56 = 234,793.28/x
  3. Step 3: Cross multiply
    243,761.36x = 362,978.56 × 234,793.28
  4. Step 4: Simplify right side
    243,761.36x = 85,224,926,672.08
  5. Step 5: Solve for x
    x = 85,224,926,672.08/243,761.36
  6. Step 6: Final answer
    x = 349,624.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.