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Finding the Fourth Proportional to 456,239.28, 629,614.28 and 252,304

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Solution

The fourth proportional to 456,239.28, 629,614.28 and 252,304 is: 348,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,239.28 : 629,614.28 = 252,304 : x
  2. Step 2: Convert to fraction form
    456,239.28/629,614.28 = 252,304/x
  3. Step 3: Cross multiply
    456,239.28x = 629,614.28 × 252,304
  4. Step 4: Simplify right side
    456,239.28x = 158,854,201,301.12
  5. Step 5: Solve for x
    x = 158,854,201,301.12/456,239.28
  6. Step 6: Final answer
    x = 348,181.77

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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.