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Finding the Fourth Proportional to 393,267.44, 542,755.32 and 223,527.44

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Solution

The fourth proportional to 393,267.44, 542,755.32 and 223,527.44 is: 308,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,267.44 : 542,755.32 = 223,527.44 : x
  2. Step 2: Convert to fraction form
    393,267.44/542,755.32 = 223,527.44/x
  3. Step 3: Cross multiply
    393,267.44x = 542,755.32 × 223,527.44
  4. Step 4: Simplify right side
    393,267.44x = 121,320,707,225.98
  5. Step 5: Solve for x
    x = 121,320,707,225.98/393,267.44
  6. Step 6: Final answer
    x = 308,494.16

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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.