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Finding the Fourth Proportional to 1,962,855.02, 2,708,751.30 and 1,103,407.76

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Solution

The fourth proportional to 1,962,855.02, 2,708,751.30 and 1,103,407.76 is: 1,522,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,855.02 : 2,708,751.30 = 1,103,407.76 : x
  2. Step 2: Convert to fraction form
    1,962,855.02/2,708,751.30 = 1,103,407.76/x
  3. Step 3: Cross multiply
    1,962,855.02x = 2,708,751.30 × 1,103,407.76
  4. Step 4: Simplify right side
    1,962,855.02x = 2,988,857,204,330.09
  5. Step 5: Solve for x
    x = 2,988,857,204,330.09/1,962,855.02
  6. Step 6: Final answer
    x = 1,522,709.10

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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.