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Finding the Fourth Proportional to 424,163.28, 585,346.56 and 242,877.96

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Solution

The fourth proportional to 424,163.28, 585,346.56 and 242,877.96 is: 335,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,163.28 : 585,346.56 = 242,877.96 : x
  2. Step 2: Convert to fraction form
    424,163.28/585,346.56 = 242,877.96/x
  3. Step 3: Cross multiply
    424,163.28x = 585,346.56 × 242,877.96
  4. Step 4: Simplify right side
    424,163.28x = 142,167,778,385.82
  5. Step 5: Solve for x
    x = 142,167,778,385.82/424,163.28
  6. Step 6: Final answer
    x = 335,172.29

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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.