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Finding the Fourth Proportional to 347,295.59, 479,342.39 and 226,220.84

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Solution

The fourth proportional to 347,295.59, 479,342.39 and 226,220.84 is: 312,233.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,295.59 : 479,342.39 = 226,220.84 : x
  2. Step 2: Convert to fraction form
    347,295.59/479,342.39 = 226,220.84/x
  3. Step 3: Cross multiply
    347,295.59x = 479,342.39 × 226,220.84
  4. Step 4: Simplify right side
    347,295.59x = 108,437,238,180.66
  5. Step 5: Solve for x
    x = 108,437,238,180.66/347,295.59
  6. Step 6: Final answer
    x = 312,233.27

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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.