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Finding the Fourth Proportional to 368,535.29, 552,938.13 and 155,356.85

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Solution

The fourth proportional to 368,535.29, 552,938.13 and 155,356.85 is: 233,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,535.29 : 552,938.13 = 155,356.85 : x
  2. Step 2: Convert to fraction form
    368,535.29/552,938.13 = 155,356.85/x
  3. Step 3: Cross multiply
    368,535.29x = 552,938.13 × 155,356.85
  4. Step 4: Simplify right side
    368,535.29x = 85,902,727,504.04
  5. Step 5: Solve for x
    x = 85,902,727,504.04/368,535.29
  6. Step 6: Final answer
    x = 233,092.27

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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.