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Finding the Fourth Proportional to 1,738,255.80, 2,435,217 and 1,738,255.80

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Solution

The fourth proportional to 1,738,255.80, 2,435,217 and 1,738,255.80 is: 2,435,217

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,255.80 : 2,435,217 = 1,738,255.80 : x
  2. Step 2: Convert to fraction form
    1,738,255.80/2,435,217 = 1,738,255.80/x
  3. Step 3: Cross multiply
    1,738,255.80x = 2,435,217 × 1,738,255.80
  4. Step 4: Simplify right side
    1,738,255.80x = 4,233,030,074,508.60
  5. Step 5: Solve for x
    x = 4,233,030,074,508.60/1,738,255.80
  6. Step 6: Final answer
    x = 2,435,217

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.