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Finding the Fourth Proportional to 667,796.75, 1,001,706.12 and 188,036.12

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Solution

The fourth proportional to 667,796.75, 1,001,706.12 and 188,036.12 is: 282,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,796.75 : 1,001,706.12 = 188,036.12 : x
  2. Step 2: Convert to fraction form
    667,796.75/1,001,706.12 = 188,036.12/x
  3. Step 3: Cross multiply
    667,796.75x = 1,001,706.12 × 188,036.12
  4. Step 4: Simplify right side
    667,796.75x = 188,356,934,689.32
  5. Step 5: Solve for x
    x = 188,356,934,689.32/667,796.75
  6. Step 6: Final answer
    x = 282,057.28

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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.