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Finding the Fourth Proportional to 882,191.10, 1,323,286.65 and 800,834.70

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Solution

The fourth proportional to 882,191.10, 1,323,286.65 and 800,834.70 is: 1,201,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,191.10 : 1,323,286.65 = 800,834.70 : x
  2. Step 2: Convert to fraction form
    882,191.10/1,323,286.65 = 800,834.70/x
  3. Step 3: Cross multiply
    882,191.10x = 1,323,286.65 × 800,834.70
  4. Step 4: Simplify right side
    882,191.10x = 1,059,733,867,366.75
  5. Step 5: Solve for x
    x = 1,059,733,867,366.75/882,191.10
  6. Step 6: Final answer
    x = 1,201,252.05

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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.