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Finding the Fourth Proportional to 456,136.29, 629,449.52 and 252,174.24

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Solution

The fourth proportional to 456,136.29, 629,449.52 and 252,174.24 is: 347,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,136.29 : 629,449.52 = 252,174.24 : x
  2. Step 2: Convert to fraction form
    456,136.29/629,449.52 = 252,174.24/x
  3. Step 3: Cross multiply
    456,136.29x = 629,449.52 × 252,174.24
  4. Step 4: Simplify right side
    456,136.29x = 158,730,953,063.49
  5. Step 5: Solve for x
    x = 158,730,953,063.49/456,136.29
  6. Step 6: Final answer
    x = 347,990.19

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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.