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Finding the Fourth Proportional to 231,373.80, 347,060.70 and 222,516.45

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Solution

The fourth proportional to 231,373.80, 347,060.70 and 222,516.45 is: 333,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,373.80 : 347,060.70 = 222,516.45 : x
  2. Step 2: Convert to fraction form
    231,373.80/347,060.70 = 222,516.45/x
  3. Step 3: Cross multiply
    231,373.80x = 347,060.70 × 222,516.45
  4. Step 4: Simplify right side
    231,373.80x = 77,226,714,898.52
  5. Step 5: Solve for x
    x = 77,226,714,898.52/231,373.80
  6. Step 6: Final answer
    x = 333,774.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.