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Finding the Fourth Proportional to 550,642.95, 825,964.43 and 550,642.95

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Solution

The fourth proportional to 550,642.95, 825,964.43 and 550,642.95 is: 825,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,642.95 : 825,964.43 = 550,642.95 : x
  2. Step 2: Convert to fraction form
    550,642.95/825,964.43 = 550,642.95/x
  3. Step 3: Cross multiply
    550,642.95x = 825,964.43 × 550,642.95
  4. Step 4: Simplify right side
    550,642.95x = 454,811,487,577.05
  5. Step 5: Solve for x
    x = 454,811,487,577.05/550,642.95
  6. Step 6: Final answer
    x = 825,964.43

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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.