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Finding the Fourth Proportional to 911,793.87, 1,366,468.16 and 709,634.07

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Solution

The fourth proportional to 911,793.87, 1,366,468.16 and 709,634.07 is: 1,063,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,793.87 : 1,366,468.16 = 709,634.07 : x
  2. Step 2: Convert to fraction form
    911,793.87/1,366,468.16 = 709,634.07/x
  3. Step 3: Cross multiply
    911,793.87x = 1,366,468.16 × 709,634.07
  4. Step 4: Simplify right side
    911,793.87x = 969,692,358,358.04
  5. Step 5: Solve for x
    x = 969,692,358,358.04/911,793.87
  6. Step 6: Final answer
    x = 1,063,499.54

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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.