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Finding the Fourth Proportional to 382,126.44, 572,401.62 and 223,874.76

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Solution

The fourth proportional to 382,126.44, 572,401.62 and 223,874.76 is: 335,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,126.44 : 572,401.62 = 223,874.76 : x
  2. Step 2: Convert to fraction form
    382,126.44/572,401.62 = 223,874.76/x
  3. Step 3: Cross multiply
    382,126.44x = 572,401.62 × 223,874.76
  4. Step 4: Simplify right side
    382,126.44x = 128,146,275,301.11
  5. Step 5: Solve for x
    x = 128,146,275,301.11/382,126.44
  6. Step 6: Final answer
    x = 335,350.45

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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.