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Finding the Fourth Proportional to 661,874.40, 993,070.80 and 241,192.80

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Solution

The fourth proportional to 661,874.40, 993,070.80 and 241,192.80 is: 361,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,874.40 : 993,070.80 = 241,192.80 : x
  2. Step 2: Convert to fraction form
    661,874.40/993,070.80 = 241,192.80/x
  3. Step 3: Cross multiply
    661,874.40x = 993,070.80 × 241,192.80
  4. Step 4: Simplify right side
    661,874.40x = 239,521,526,850.24
  5. Step 5: Solve for x
    x = 239,521,526,850.24/661,874.40
  6. Step 6: Final answer
    x = 361,883.65

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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.