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Finding the Fourth Proportional to 269,603.70, 404,697.15 and 151,505.70

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Solution

The fourth proportional to 269,603.70, 404,697.15 and 151,505.70 is: 227,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,603.70 : 404,697.15 = 151,505.70 : x
  2. Step 2: Convert to fraction form
    269,603.70/404,697.15 = 151,505.70/x
  3. Step 3: Cross multiply
    269,603.70x = 404,697.15 × 151,505.70
  4. Step 4: Simplify right side
    269,603.70x = 61,313,924,998.76
  5. Step 5: Solve for x
    x = 61,313,924,998.76/269,603.70
  6. Step 6: Final answer
    x = 227,422.42

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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.