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Finding the Fourth Proportional to 2,640,994.22, 3,961,753.86 and 958,228.94

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Solution

The fourth proportional to 2,640,994.22, 3,961,753.86 and 958,228.94 is: 1,437,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,994.22 : 3,961,753.86 = 958,228.94 : x
  2. Step 2: Convert to fraction form
    2,640,994.22/3,961,753.86 = 958,228.94/x
  3. Step 3: Cross multiply
    2,640,994.22x = 3,961,753.86 × 958,228.94
  4. Step 4: Simplify right side
    2,640,994.22x = 3,796,267,201,808.71
  5. Step 5: Solve for x
    x = 3,796,267,201,808.71/2,640,994.22
  6. Step 6: Final answer
    x = 1,437,438.66

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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.