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Finding the Fourth Proportional to 456,205.96, 629,509.28 and 252,229.33

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Solution

The fourth proportional to 456,205.96, 629,509.28 and 252,229.33 is: 348,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,205.96 : 629,509.28 = 252,229.33 : x
  2. Step 2: Convert to fraction form
    456,205.96/629,509.28 = 252,229.33/x
  3. Step 3: Cross multiply
    456,205.96x = 629,509.28 × 252,229.33
  4. Step 4: Simplify right side
    456,205.96x = 158,780,703,923.18
  5. Step 5: Solve for x
    x = 158,780,703,923.18/456,205.96
  6. Step 6: Final answer
    x = 348,046.10

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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.