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Finding the Fourth Proportional to 273,934,757.60, 410,896,379.55 and 66,674,324.55

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Solution

The fourth proportional to 273,934,757.60, 410,896,379.55 and 66,674,324.55 is: 100,010,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,934,757.60 : 410,896,379.55 = 66,674,324.55 : x
  2. Step 2: Convert to fraction form
    273,934,757.60/410,896,379.55 = 66,674,324.55/x
  3. Step 3: Cross multiply
    273,934,757.60x = 410,896,379.55 × 66,674,324.55
  4. Step 4: Simplify right side
    273,934,757.60x = 27,396,238,566,536,684
  5. Step 5: Solve for x
    x = 27,396,238,566,536,684/273,934,757.60
  6. Step 6: Final answer
    x = 100,010,085.64

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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.