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Finding the Fourth Proportional to 1,780,862.88, 2,664,909 and 1,541,799.06

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Solution

The fourth proportional to 1,780,862.88, 2,664,909 and 1,541,799.06 is: 2,307,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,862.88 : 2,664,909 = 1,541,799.06 : x
  2. Step 2: Convert to fraction form
    1,780,862.88/2,664,909 = 1,541,799.06/x
  3. Step 3: Cross multiply
    1,780,862.88x = 2,664,909 × 1,541,799.06
  4. Step 4: Simplify right side
    1,780,862.88x = 4,108,754,191,185.54
  5. Step 5: Solve for x
    x = 4,108,754,191,185.54/1,780,862.88
  6. Step 6: Final answer
    x = 2,307,170.44

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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.