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Finding the Fourth Proportional to 347,222.52, 479,060.76 and 226,319.67

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Solution

The fourth proportional to 347,222.52, 479,060.76 and 226,319.67 is: 312,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,222.52 : 479,060.76 = 226,319.67 : x
  2. Step 2: Convert to fraction form
    347,222.52/479,060.76 = 226,319.67/x
  3. Step 3: Cross multiply
    347,222.52x = 479,060.76 × 226,319.67
  4. Step 4: Simplify right side
    347,222.52x = 108,420,873,113.15
  5. Step 5: Solve for x
    x = 108,420,873,113.15/347,222.52
  6. Step 6: Final answer
    x = 312,251.85

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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.