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Finding the Fourth Proportional to 1,821,959.20, 2,734,597.12 and 969,746.24

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Solution

The fourth proportional to 1,821,959.20, 2,734,597.12 and 969,746.24 is: 1,455,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,959.20 : 2,734,597.12 = 969,746.24 : x
  2. Step 2: Convert to fraction form
    1,821,959.20/2,734,597.12 = 969,746.24/x
  3. Step 3: Cross multiply
    1,821,959.20x = 2,734,597.12 × 969,746.24
  4. Step 4: Simplify right side
    1,821,959.20x = 2,651,865,275,034.83
  5. Step 5: Solve for x
    x = 2,651,865,275,034.83/1,821,959.20
  6. Step 6: Final answer
    x = 1,455,502.01

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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.