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Finding the Fourth Proportional to 1,244,584.56, 1,865,302.20 and 795,131.76

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Solution

The fourth proportional to 1,244,584.56, 1,865,302.20 and 795,131.76 is: 1,191,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,584.56 : 1,865,302.20 = 795,131.76 : x
  2. Step 2: Convert to fraction form
    1,244,584.56/1,865,302.20 = 795,131.76/x
  3. Step 3: Cross multiply
    1,244,584.56x = 1,865,302.20 × 795,131.76
  4. Step 4: Simplify right side
    1,244,584.56x = 1,483,161,021,217.87
  5. Step 5: Solve for x
    x = 1,483,161,021,217.87/1,244,584.56
  6. Step 6: Final answer
    x = 1,191,691.64

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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.