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Finding the Fourth Proportional to 316,889, 437,306.82 and 182,753

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Solution

The fourth proportional to 316,889, 437,306.82 and 182,753 is: 252,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,889 : 437,306.82 = 182,753 : x
  2. Step 2: Convert to fraction form
    316,889/437,306.82 = 182,753/x
  3. Step 3: Cross multiply
    316,889x = 437,306.82 × 182,753
  4. Step 4: Simplify right side
    316,889x = 79,919,133,275.46
  5. Step 5: Solve for x
    x = 79,919,133,275.46/316,889
  6. Step 6: Final answer
    x = 252,199.14

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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.