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Finding the Fourth Proportional to 347,687.48, 479,882.86 and 204,529.20

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Solution

The fourth proportional to 347,687.48, 479,882.86 and 204,529.20 is: 282,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,687.48 : 479,882.86 = 204,529.20 : x
  2. Step 2: Convert to fraction form
    347,687.48/479,882.86 = 204,529.20/x
  3. Step 3: Cross multiply
    347,687.48x = 479,882.86 × 204,529.20
  4. Step 4: Simplify right side
    347,687.48x = 98,150,057,449.51
  5. Step 5: Solve for x
    x = 98,150,057,449.51/347,687.48
  6. Step 6: Final answer
    x = 282,293.91

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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.