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Finding the Fourth Proportional to 908,566.20, 1,359,896.85 and 908,566.20

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Solution

The fourth proportional to 908,566.20, 1,359,896.85 and 908,566.20 is: 1,359,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,566.20 : 1,359,896.85 = 908,566.20 : x
  2. Step 2: Convert to fraction form
    908,566.20/1,359,896.85 = 908,566.20/x
  3. Step 3: Cross multiply
    908,566.20x = 1,359,896.85 × 908,566.20
  4. Step 4: Simplify right side
    908,566.20x = 1,235,556,313,396.47
  5. Step 5: Solve for x
    x = 1,235,556,313,396.47/908,566.20
  6. Step 6: Final answer
    x = 1,359,896.85

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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.