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Finding the Fourth Proportional to 300,116.85, 414,174.52 and 172,833.45

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Solution

The fourth proportional to 300,116.85, 414,174.52 and 172,833.45 is: 238,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,116.85 : 414,174.52 = 172,833.45 : x
  2. Step 2: Convert to fraction form
    300,116.85/414,174.52 = 172,833.45/x
  3. Step 3: Cross multiply
    300,116.85x = 414,174.52 × 172,833.45
  4. Step 4: Simplify right side
    300,116.85x = 71,583,208,884.39
  5. Step 5: Solve for x
    x = 71,583,208,884.39/300,116.85
  6. Step 6: Final answer
    x = 238,517.80

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1.5x scale

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.