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Finding the Fourth Proportional to 454,126, 626,713.32 and 252,922

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Solution

The fourth proportional to 454,126, 626,713.32 and 252,922 is: 349,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,126 : 626,713.32 = 252,922 : x
  2. Step 2: Convert to fraction form
    454,126/626,713.32 = 252,922/x
  3. Step 3: Cross multiply
    454,126x = 626,713.32 × 252,922
  4. Step 4: Simplify right side
    454,126x = 158,509,586,321.04
  5. Step 5: Solve for x
    x = 158,509,586,321.04/454,126
  6. Step 6: Final answer
    x = 349,043.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.