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Finding the Fourth Proportional to 1,786,789.88, 2,680,513.14 and 588,782.84

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Solution

The fourth proportional to 1,786,789.88, 2,680,513.14 and 588,782.84 is: 883,282.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,789.88 : 2,680,513.14 = 588,782.84 : x
  2. Step 2: Convert to fraction form
    1,786,789.88/2,680,513.14 = 588,782.84/x
  3. Step 3: Cross multiply
    1,786,789.88x = 2,680,513.14 × 588,782.84
  4. Step 4: Simplify right side
    1,786,789.88x = 1,578,240,139,226.52
  5. Step 5: Solve for x
    x = 1,578,240,139,226.52/1,786,789.88
  6. Step 6: Final answer
    x = 883,282.45

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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.