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Finding the Fourth Proportional to 353,359.78, 487,795.71 and 232,564.48

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Solution

The fourth proportional to 353,359.78, 487,795.71 and 232,564.48 is: 321,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,359.78 : 487,795.71 = 232,564.48 : x
  2. Step 2: Convert to fraction form
    353,359.78/487,795.71 = 232,564.48/x
  3. Step 3: Cross multiply
    353,359.78x = 487,795.71 × 232,564.48
  4. Step 4: Simplify right side
    353,359.78x = 113,443,955,642.38
  5. Step 5: Solve for x
    x = 113,443,955,642.38/353,359.78
  6. Step 6: Final answer
    x = 321,043.77

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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.