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Finding the Fourth Proportional to 456,239.92, 629,615.17 and 252,304.56

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Solution

The fourth proportional to 456,239.92, 629,615.17 and 252,304.56 is: 348,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,239.92 : 629,615.17 = 252,304.56 : x
  2. Step 2: Convert to fraction form
    456,239.92/629,615.17 = 252,304.56/x
  3. Step 3: Cross multiply
    456,239.92x = 629,615.17 × 252,304.56
  4. Step 4: Simplify right side
    456,239.92x = 158,854,782,471.34
  5. Step 5: Solve for x
    x = 158,854,782,471.34/456,239.92
  6. Step 6: Final answer
    x = 348,182.56

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1.5x scale

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.