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Finding the Fourth Proportional to 293,048.29, 439,249.51 and 191,724.58

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Solution

The fourth proportional to 293,048.29, 439,249.51 and 191,724.58 is: 287,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,048.29 : 439,249.51 = 191,724.58 : x
  2. Step 2: Convert to fraction form
    293,048.29/439,249.51 = 191,724.58/x
  3. Step 3: Cross multiply
    293,048.29x = 439,249.51 × 191,724.58
  4. Step 4: Simplify right side
    293,048.29x = 84,214,927,819.96
  5. Step 5: Solve for x
    x = 84,214,927,819.96/293,048.29
  6. Step 6: Final answer
    x = 287,375.60

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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.