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Finding the Fourth Proportional to 454,087, 626,659.50 and 252,883

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Solution

The fourth proportional to 454,087, 626,659.50 and 252,883 is: 348,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,087 : 626,659.50 = 252,883 : x
  2. Step 2: Convert to fraction form
    454,087/626,659.50 = 252,883/x
  3. Step 3: Cross multiply
    454,087x = 626,659.50 × 252,883
  4. Step 4: Simplify right side
    454,087x = 158,471,534,338.50
  5. Step 5: Solve for x
    x = 158,471,534,338.50/454,087
  6. Step 6: Final answer
    x = 348,989.37

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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.