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Finding the Fourth Proportional to 347,716.48, 479,679.42 and 226,802.92

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Solution

The fourth proportional to 347,716.48, 479,679.42 and 226,802.92 is: 312,877.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,716.48 : 479,679.42 = 226,802.92 : x
  2. Step 2: Convert to fraction form
    347,716.48/479,679.42 = 226,802.92/x
  3. Step 3: Cross multiply
    347,716.48x = 479,679.42 × 226,802.92
  4. Step 4: Simplify right side
    347,716.48x = 108,792,693,119.91
  5. Step 5: Solve for x
    x = 108,792,693,119.91/347,716.48
  6. Step 6: Final answer
    x = 312,877.59

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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.