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Finding the Fourth Proportional to 562,469.22, 843,703.85 and 141,745.09

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Solution

The fourth proportional to 562,469.22, 843,703.85 and 141,745.09 is: 212,617.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,469.22 : 843,703.85 = 141,745.09 : x
  2. Step 2: Convert to fraction form
    562,469.22/843,703.85 = 141,745.09/x
  3. Step 3: Cross multiply
    562,469.22x = 843,703.85 × 141,745.09
  4. Step 4: Simplify right side
    562,469.22x = 119,590,878,151.60
  5. Step 5: Solve for x
    x = 119,590,878,151.60/562,469.22
  6. Step 6: Final answer
    x = 212,617.64

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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.