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Finding the Fourth Proportional to 335,670.46, 503,505.69 and 125,324.80

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Solution

The fourth proportional to 335,670.46, 503,505.69 and 125,324.80 is: 187,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,670.46 : 503,505.69 = 125,324.80 : x
  2. Step 2: Convert to fraction form
    335,670.46/503,505.69 = 125,324.80/x
  3. Step 3: Cross multiply
    335,670.46x = 503,505.69 × 125,324.80
  4. Step 4: Simplify right side
    335,670.46x = 63,101,747,380.58
  5. Step 5: Solve for x
    x = 63,101,747,380.58/335,670.46
  6. Step 6: Final answer
    x = 187,987.20

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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.