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Finding the Fourth Proportional to 344,282.78, 475,079.98 and 191,311.28

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Solution

The fourth proportional to 344,282.78, 475,079.98 and 191,311.28 is: 263,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,282.78 : 475,079.98 = 191,311.28 : x
  2. Step 2: Convert to fraction form
    344,282.78/475,079.98 = 191,311.28/x
  3. Step 3: Cross multiply
    344,282.78x = 475,079.98 × 191,311.28
  4. Step 4: Simplify right side
    344,282.78x = 90,888,155,744.22
  5. Step 5: Solve for x
    x = 90,888,155,744.22/344,282.78
  6. Step 6: Final answer
    x = 263,992.75

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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.