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Finding the Fourth Proportional to 1,805,773.80, 2,708,660.70 and 1,609,818.60

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Solution

The fourth proportional to 1,805,773.80, 2,708,660.70 and 1,609,818.60 is: 2,414,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,773.80 : 2,708,660.70 = 1,609,818.60 : x
  2. Step 2: Convert to fraction form
    1,805,773.80/2,708,660.70 = 1,609,818.60/x
  3. Step 3: Cross multiply
    1,805,773.80x = 2,708,660.70 × 1,609,818.60
  4. Step 4: Simplify right side
    1,805,773.80x = 4,360,452,375,949.02
  5. Step 5: Solve for x
    x = 4,360,452,375,949.02/1,805,773.80
  6. Step 6: Final answer
    x = 2,414,727.90

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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.