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Finding the Fourth Proportional to 352,792.69, 487,055.75 and 232,283.97

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Solution

The fourth proportional to 352,792.69, 487,055.75 and 232,283.97 is: 320,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,792.69 : 487,055.75 = 232,283.97 : x
  2. Step 2: Convert to fraction form
    352,792.69/487,055.75 = 232,283.97/x
  3. Step 3: Cross multiply
    352,792.69x = 487,055.75 × 232,283.97
  4. Step 4: Simplify right side
    352,792.69x = 113,135,242,059.91
  5. Step 5: Solve for x
    x = 113,135,242,059.91/352,792.69
  6. Step 6: Final answer
    x = 320,684.77

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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.