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Finding the Fourth Proportional to 356,833, 535,456.86 and 159,841

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Solution

The fourth proportional to 356,833, 535,456.86 and 159,841 is: 239,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,833 : 535,456.86 = 159,841 : x
  2. Step 2: Convert to fraction form
    356,833/535,456.86 = 159,841/x
  3. Step 3: Cross multiply
    356,833x = 535,456.86 × 159,841
  4. Step 4: Simplify right side
    356,833x = 85,587,959,959.26
  5. Step 5: Solve for x
    x = 85,587,959,959.26/356,833
  6. Step 6: Final answer
    x = 239,854.39

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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.