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Finding the Fourth Proportional to 2,961,871.14, 4,442,978.97 and 832,121.34

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Solution

The fourth proportional to 2,961,871.14, 4,442,978.97 and 832,121.34 is: 1,248,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961,871.14 : 4,442,978.97 = 832,121.34 : x
  2. Step 2: Convert to fraction form
    2,961,871.14/4,442,978.97 = 832,121.34/x
  3. Step 3: Cross multiply
    2,961,871.14x = 4,442,978.97 × 832,121.34
  4. Step 4: Simplify right side
    2,961,871.14x = 3,697,097,614,108.22
  5. Step 5: Solve for x
    x = 3,697,097,614,108.22/2,961,871.14
  6. Step 6: Final answer
    x = 1,248,230.41

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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.