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Finding the Fourth Proportional to 5,805,364.60, 8,708,046.90 and 1,761,844.60

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Solution

The fourth proportional to 5,805,364.60, 8,708,046.90 and 1,761,844.60 is: 2,642,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805,364.60 : 8,708,046.90 = 1,761,844.60 : x
  2. Step 2: Convert to fraction form
    5,805,364.60/8,708,046.90 = 1,761,844.60/x
  3. Step 3: Cross multiply
    5,805,364.60x = 8,708,046.90 × 1,761,844.60
  4. Step 4: Simplify right side
    5,805,364.60x = 15,342,225,407,311.74
  5. Step 5: Solve for x
    x = 15,342,225,407,311.74/5,805,364.60
  6. Step 6: Final answer
    x = 2,642,766.90

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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.