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Finding the Fourth Proportional to 1,826,512.70, 2,520,854.92 and 1,051,994.64

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Solution

The fourth proportional to 1,826,512.70, 2,520,854.92 and 1,051,994.64 is: 1,451,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,512.70 : 2,520,854.92 = 1,051,994.64 : x
  2. Step 2: Convert to fraction form
    1,826,512.70/2,520,854.92 = 1,051,994.64/x
  3. Step 3: Cross multiply
    1,826,512.70x = 2,520,854.92 × 1,051,994.64
  4. Step 4: Simplify right side
    1,826,512.70x = 2,651,925,864,057.63
  5. Step 5: Solve for x
    x = 2,651,925,864,057.63/1,826,512.70
  6. Step 6: Final answer
    x = 1,451,906.61

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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.