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Finding the Fourth Proportional to 1,261,551, 1,893,113.82 and 513,597

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Solution

The fourth proportional to 1,261,551, 1,893,113.82 and 513,597 is: 770,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,551 : 1,893,113.82 = 513,597 : x
  2. Step 2: Convert to fraction form
    1,261,551/1,893,113.82 = 513,597/x
  3. Step 3: Cross multiply
    1,261,551x = 1,893,113.82 × 513,597
  4. Step 4: Simplify right side
    1,261,551x = 972,297,578,610.54
  5. Step 5: Solve for x
    x = 972,297,578,610.54/1,261,551
  6. Step 6: Final answer
    x = 770,716.03

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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.