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Finding the Fourth Proportional to 2,689,766.60, 4,034,649.90 and 1,006,651.40

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Solution

The fourth proportional to 2,689,766.60, 4,034,649.90 and 1,006,651.40 is: 1,509,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,766.60 : 4,034,649.90 = 1,006,651.40 : x
  2. Step 2: Convert to fraction form
    2,689,766.60/4,034,649.90 = 1,006,651.40/x
  3. Step 3: Cross multiply
    2,689,766.60x = 4,034,649.90 × 1,006,651.40
  4. Step 4: Simplify right side
    2,689,766.60x = 4,061,485,970,344.86
  5. Step 5: Solve for x
    x = 4,061,485,970,344.86/2,689,766.60
  6. Step 6: Final answer
    x = 1,509,977.10

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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.