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Finding the Fourth Proportional to 264,646.63, 397,480.56 and 226,781.74

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Solution

The fourth proportional to 264,646.63, 397,480.56 and 226,781.74 is: 340,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,646.63 : 397,480.56 = 226,781.74 : x
  2. Step 2: Convert to fraction form
    264,646.63/397,480.56 = 226,781.74/x
  3. Step 3: Cross multiply
    264,646.63x = 397,480.56 × 226,781.74
  4. Step 4: Simplify right side
    264,646.63x = 90,141,333,012.97
  5. Step 5: Solve for x
    x = 90,141,333,012.97/264,646.63
  6. Step 6: Final answer
    x = 340,610.17

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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.