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Finding the Fourth Proportional to 1,786,978.36, 2,680,799.58 and 588,984.84

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Solution

The fourth proportional to 1,786,978.36, 2,680,799.58 and 588,984.84 is: 883,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,978.36 : 2,680,799.58 = 588,984.84 : x
  2. Step 2: Convert to fraction form
    1,786,978.36/2,680,799.58 = 588,984.84/x
  3. Step 3: Cross multiply
    1,786,978.36x = 2,680,799.58 × 588,984.84
  4. Step 4: Simplify right side
    1,786,978.36x = 1,578,950,311,698.37
  5. Step 5: Solve for x
    x = 1,578,950,311,698.37/1,786,978.36
  6. Step 6: Final answer
    x = 883,586.70

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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.