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Finding the Fourth Proportional to 560,377.98, 839,826.36 and 205,049.88

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Solution

The fourth proportional to 560,377.98, 839,826.36 and 205,049.88 is: 307,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,377.98 : 839,826.36 = 205,049.88 : x
  2. Step 2: Convert to fraction form
    560,377.98/839,826.36 = 205,049.88/x
  3. Step 3: Cross multiply
    560,377.98x = 839,826.36 × 205,049.88
  4. Step 4: Simplify right side
    560,377.98x = 172,206,294,338.84
  5. Step 5: Solve for x
    x = 172,206,294,338.84/560,377.98
  6. Step 6: Final answer
    x = 307,303.82

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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.