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Finding the Fourth Proportional to 881,093.88, 1,215,800.69 and 536,804.87

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Solution

The fourth proportional to 881,093.88, 1,215,800.69 and 536,804.87 is: 740,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,093.88 : 1,215,800.69 = 536,804.87 : x
  2. Step 2: Convert to fraction form
    881,093.88/1,215,800.69 = 536,804.87/x
  3. Step 3: Cross multiply
    881,093.88x = 1,215,800.69 × 536,804.87
  4. Step 4: Simplify right side
    881,093.88x = 652,647,726,959.85
  5. Step 5: Solve for x
    x = 652,647,726,959.85/881,093.88
  6. Step 6: Final answer
    x = 740,724.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.