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Finding the Fourth Proportional to 364,388.22, 545,816.88 and 231,199.92

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Solution

The fourth proportional to 364,388.22, 545,816.88 and 231,199.92 is: 346,314.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,388.22 : 545,816.88 = 231,199.92 : x
  2. Step 2: Convert to fraction form
    364,388.22/545,816.88 = 231,199.92/x
  3. Step 3: Cross multiply
    364,388.22x = 545,816.88 × 231,199.92
  4. Step 4: Simplify right side
    364,388.22x = 126,192,818,990.65
  5. Step 5: Solve for x
    x = 126,192,818,990.65/364,388.22
  6. Step 6: Final answer
    x = 346,314.21

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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.