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Finding the Fourth Proportional to 550,551.30, 825,826.95 and 382,589.70

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Solution

The fourth proportional to 550,551.30, 825,826.95 and 382,589.70 is: 573,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,551.30 : 825,826.95 = 382,589.70 : x
  2. Step 2: Convert to fraction form
    550,551.30/825,826.95 = 382,589.70/x
  3. Step 3: Cross multiply
    550,551.30x = 825,826.95 × 382,589.70
  4. Step 4: Simplify right side
    550,551.30x = 315,952,885,052.42
  5. Step 5: Solve for x
    x = 315,952,885,052.42/550,551.30
  6. Step 6: Final answer
    x = 573,884.55

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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.