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Finding the Fourth Proportional to 437,199.48, 655,306.92 and 223,369.20

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Solution

The fourth proportional to 437,199.48, 655,306.92 and 223,369.20 is: 334,802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,199.48 : 655,306.92 = 223,369.20 : x
  2. Step 2: Convert to fraction form
    437,199.48/655,306.92 = 223,369.20/x
  3. Step 3: Cross multiply
    437,199.48x = 655,306.92 × 223,369.20
  4. Step 4: Simplify right side
    437,199.48x = 146,375,382,474.86
  5. Step 5: Solve for x
    x = 146,375,382,474.86/437,199.48
  6. Step 6: Final answer
    x = 334,802.28

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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.