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Finding the Fourth Proportional to 1,831,448.88, 2,747,566.44 and 617,145.48

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Solution

The fourth proportional to 1,831,448.88, 2,747,566.44 and 617,145.48 is: 925,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,448.88 : 2,747,566.44 = 617,145.48 : x
  2. Step 2: Convert to fraction form
    1,831,448.88/2,747,566.44 = 617,145.48/x
  3. Step 3: Cross multiply
    1,831,448.88x = 2,747,566.44 × 617,145.48
  4. Step 4: Simplify right side
    1,831,448.88x = 1,695,648,209,445.69
  5. Step 5: Solve for x
    x = 1,695,648,209,445.69/1,831,448.88
  6. Step 6: Final answer
    x = 925,850.69

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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.