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Finding the Fourth Proportional to 376,713.11, 565,007.56 and 123,996.89

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Solution

The fourth proportional to 376,713.11, 565,007.56 and 123,996.89 is: 185,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,713.11 : 565,007.56 = 123,996.89 : x
  2. Step 2: Convert to fraction form
    376,713.11/565,007.56 = 123,996.89/x
  3. Step 3: Cross multiply
    376,713.11x = 565,007.56 × 123,996.89
  4. Step 4: Simplify right side
    376,713.11x = 70,059,180,266.49
  5. Step 5: Solve for x
    x = 70,059,180,266.49/376,713.11
  6. Step 6: Final answer
    x = 185,974.89

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1.5x scale

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.