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Finding the Fourth Proportional to 347,334.75, 479,321.96 and 188,358.75

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Solution

The fourth proportional to 347,334.75, 479,321.96 and 188,358.75 is: 259,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,334.75 : 479,321.96 = 188,358.75 : x
  2. Step 2: Convert to fraction form
    347,334.75/479,321.96 = 188,358.75/x
  3. Step 3: Cross multiply
    347,334.75x = 479,321.96 × 188,358.75
  4. Step 4: Simplify right side
    347,334.75x = 90,284,484,291.36
  5. Step 5: Solve for x
    x = 90,284,484,291.36/347,334.75
  6. Step 6: Final answer
    x = 259,935.08

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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.