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Finding the Fourth Proportional to 604,033.18, 906,028.80 and 154,757.78

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Solution

The fourth proportional to 604,033.18, 906,028.80 and 154,757.78 is: 232,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,033.18 : 906,028.80 = 154,757.78 : x
  2. Step 2: Convert to fraction form
    604,033.18/906,028.80 = 154,757.78/x
  3. Step 3: Cross multiply
    604,033.18x = 906,028.80 × 154,757.78
  4. Step 4: Simplify right side
    604,033.18x = 140,215,005,704.06
  5. Step 5: Solve for x
    x = 140,215,005,704.06/604,033.18
  6. Step 6: Final answer
    x = 232,131.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.