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Finding the Fourth Proportional to 454,118.72, 626,712.48 and 252,914.24

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Solution

The fourth proportional to 454,118.72, 626,712.48 and 252,914.24 is: 349,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,118.72 : 626,712.48 = 252,914.24 : x
  2. Step 2: Convert to fraction form
    454,118.72/626,712.48 = 252,914.24/x
  3. Step 3: Cross multiply
    454,118.72x = 626,712.48 × 252,914.24
  4. Step 4: Simplify right side
    454,118.72x = 158,504,510,577.72
  5. Step 5: Solve for x
    x = 158,504,510,577.72/454,118.72
  6. Step 6: Final answer
    x = 349,037.61

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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.