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Finding the Fourth Proportional to 1,797,475.92, 2,479,377.69 and 1,366,811.88

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Solution

The fourth proportional to 1,797,475.92, 2,479,377.69 and 1,366,811.88 is: 1,885,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,475.92 : 2,479,377.69 = 1,366,811.88 : x
  2. Step 2: Convert to fraction form
    1,797,475.92/2,479,377.69 = 1,366,811.88/x
  3. Step 3: Cross multiply
    1,797,475.92x = 2,479,377.69 × 1,366,811.88
  4. Step 4: Simplify right side
    1,797,475.92x = 3,388,842,881,698.96
  5. Step 5: Solve for x
    x = 3,388,842,881,698.96/1,797,475.92
  6. Step 6: Final answer
    x = 1,885,334.23

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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.