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Finding the Fourth Proportional to 534,187.89, 801,323.33 and 155,114.88

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Solution

The fourth proportional to 534,187.89, 801,323.33 and 155,114.88 is: 232,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,187.89 : 801,323.33 = 155,114.88 : x
  2. Step 2: Convert to fraction form
    534,187.89/801,323.33 = 155,114.88/x
  3. Step 3: Cross multiply
    534,187.89x = 801,323.33 × 155,114.88
  4. Step 4: Simplify right side
    534,187.89x = 124,297,172,174.15
  5. Step 5: Solve for x
    x = 124,297,172,174.15/534,187.89
  6. Step 6: Final answer
    x = 232,684.37

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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.