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Finding the Fourth Proportional to 2,948,679.60, 4,069,308.84 and 1,659,603.60

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Solution

The fourth proportional to 2,948,679.60, 4,069,308.84 and 1,659,603.60 is: 2,290,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,679.60 : 4,069,308.84 = 1,659,603.60 : x
  2. Step 2: Convert to fraction form
    2,948,679.60/4,069,308.84 = 1,659,603.60/x
  3. Step 3: Cross multiply
    2,948,679.60x = 4,069,308.84 × 1,659,603.60
  4. Step 4: Simplify right side
    2,948,679.60x = 6,753,439,600,375.82
  5. Step 5: Solve for x
    x = 6,753,439,600,375.82/2,948,679.60
  6. Step 6: Final answer
    x = 2,290,326.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.