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Finding the Fourth Proportional to 4,367,978.44, 6,026,034.72 and 2,898,579.92

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Solution

The fourth proportional to 4,367,978.44, 6,026,034.72 and 2,898,579.92 is: 3,998,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,367,978.44 : 6,026,034.72 = 2,898,579.92 : x
  2. Step 2: Convert to fraction form
    4,367,978.44/6,026,034.72 = 2,898,579.92/x
  3. Step 3: Cross multiply
    4,367,978.44x = 6,026,034.72 × 2,898,579.92
  4. Step 4: Simplify right side
    4,367,978.44x = 17,466,943,236,614.82
  5. Step 5: Solve for x
    x = 17,466,943,236,614.82/4,367,978.44
  6. Step 6: Final answer
    x = 3,998,862.05

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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.