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Finding the Fourth Proportional to 2,566,897.80, 3,542,689.56 and 1,478,960.88

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Solution

The fourth proportional to 2,566,897.80, 3,542,689.56 and 1,478,960.88 is: 2,041,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566,897.80 : 3,542,689.56 = 1,478,960.88 : x
  2. Step 2: Convert to fraction form
    2,566,897.80/3,542,689.56 = 1,478,960.88/x
  3. Step 3: Cross multiply
    2,566,897.80x = 3,542,689.56 × 1,478,960.88
  4. Step 4: Simplify right side
    2,566,897.80x = 5,239,499,269,224.41
  5. Step 5: Solve for x
    x = 5,239,499,269,224.41/2,566,897.80
  6. Step 6: Final answer
    x = 2,041,179.54

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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.