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Finding the Fourth Proportional to 317,279.77, 475,670.04 and 157,245.75

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Solution

The fourth proportional to 317,279.77, 475,670.04 and 157,245.75 is: 235,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,279.77 : 475,670.04 = 157,245.75 : x
  2. Step 2: Convert to fraction form
    317,279.77/475,670.04 = 157,245.75/x
  3. Step 3: Cross multiply
    317,279.77x = 475,670.04 × 157,245.75
  4. Step 4: Simplify right side
    317,279.77x = 74,797,092,192.33
  5. Step 5: Solve for x
    x = 74,797,092,192.33/317,279.77
  6. Step 6: Final answer
    x = 235,744.91

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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.