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Finding the Fourth Proportional to 567,791.64, 783,552.69 and 313,159.23

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Solution

The fourth proportional to 567,791.64, 783,552.69 and 313,159.23 is: 432,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,791.64 : 783,552.69 = 313,159.23 : x
  2. Step 2: Convert to fraction form
    567,791.64/783,552.69 = 313,159.23/x
  3. Step 3: Cross multiply
    567,791.64x = 783,552.69 × 313,159.23
  4. Step 4: Simplify right side
    567,791.64x = 245,376,757,064.83
  5. Step 5: Solve for x
    x = 245,376,757,064.83/567,791.64
  6. Step 6: Final answer
    x = 432,159.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.