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Finding the Fourth Proportional to 299,570.28, 449,306.52 and 99,892.32

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Solution

The fourth proportional to 299,570.28, 449,306.52 and 99,892.32 is: 149,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,570.28 : 449,306.52 = 99,892.32 : x
  2. Step 2: Convert to fraction form
    299,570.28/449,306.52 = 99,892.32/x
  3. Step 3: Cross multiply
    299,570.28x = 449,306.52 × 99,892.32
  4. Step 4: Simplify right side
    299,570.28x = 44,882,270,673.93
  5. Step 5: Solve for x
    x = 44,882,270,673.93/299,570.28
  6. Step 6: Final answer
    x = 149,822.17

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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.