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Finding the Fourth Proportional to 353,026.48, 487,181.48 and 191,881.48

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Solution

The fourth proportional to 353,026.48, 487,181.48 and 191,881.48 is: 264,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,026.48 : 487,181.48 = 191,881.48 : x
  2. Step 2: Convert to fraction form
    353,026.48/487,181.48 = 191,881.48/x
  3. Step 3: Cross multiply
    353,026.48x = 487,181.48 × 191,881.48
  4. Step 4: Simplify right side
    353,026.48x = 93,481,103,410.99
  5. Step 5: Solve for x
    x = 93,481,103,410.99/353,026.48
  6. Step 6: Final answer
    x = 264,799.13

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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.