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Finding the Fourth Proportional to 2,655,874.20, 3,983,292.90 and 882,946.20

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Solution

The fourth proportional to 2,655,874.20, 3,983,292.90 and 882,946.20 is: 1,324,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,874.20 : 3,983,292.90 = 882,946.20 : x
  2. Step 2: Convert to fraction form
    2,655,874.20/3,983,292.90 = 882,946.20/x
  3. Step 3: Cross multiply
    2,655,874.20x = 3,983,292.90 × 882,946.20
  4. Step 4: Simplify right side
    2,655,874.20x = 3,517,033,329,541.98
  5. Step 5: Solve for x
    x = 3,517,033,329,541.98/2,655,874.20
  6. Step 6: Final answer
    x = 1,324,246.96

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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.