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Finding the Fourth Proportional to 437,995.54, 656,677.80 and 269,166.91

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Solution

The fourth proportional to 437,995.54, 656,677.80 and 269,166.91 is: 403,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,995.54 : 656,677.80 = 269,166.91 : x
  2. Step 2: Convert to fraction form
    437,995.54/656,677.80 = 269,166.91/x
  3. Step 3: Cross multiply
    437,995.54x = 656,677.80 × 269,166.91
  4. Step 4: Simplify right side
    437,995.54x = 176,755,934,291.60
  5. Step 5: Solve for x
    x = 176,755,934,291.60/437,995.54
  6. Step 6: Final answer
    x = 403,556.47

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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.