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Finding the Fourth Proportional to 1,993,959.83, 2,751,650.57 and 1,088,541.83

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Solution

The fourth proportional to 1,993,959.83, 2,751,650.57 and 1,088,541.83 is: 1,502,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,959.83 : 2,751,650.57 = 1,088,541.83 : x
  2. Step 2: Convert to fraction form
    1,993,959.83/2,751,650.57 = 1,088,541.83/x
  3. Step 3: Cross multiply
    1,993,959.83x = 2,751,650.57 × 1,088,541.83
  4. Step 4: Simplify right side
    1,993,959.83x = 2,995,286,748,424.76
  5. Step 5: Solve for x
    x = 2,995,286,748,424.76/1,993,959.83
  6. Step 6: Final answer
    x = 1,502,180.08

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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.