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Finding the Fourth Proportional to 443,837.88, 612,452.34 and 252,839.88

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Solution

The fourth proportional to 443,837.88, 612,452.34 and 252,839.88 is: 348,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,837.88 : 612,452.34 = 252,839.88 : x
  2. Step 2: Convert to fraction form
    443,837.88/612,452.34 = 252,839.88/x
  3. Step 3: Cross multiply
    443,837.88x = 612,452.34 × 252,839.88
  4. Step 4: Simplify right side
    443,837.88x = 154,852,376,151.32
  5. Step 5: Solve for x
    x = 154,852,376,151.32/443,837.88
  6. Step 6: Final answer
    x = 348,894.01

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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.