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Finding the Fourth Proportional to 344,219.84, 475,029.48 and 191,272.16

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Solution

The fourth proportional to 344,219.84, 475,029.48 and 191,272.16 is: 263,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,219.84 : 475,029.48 = 191,272.16 : x
  2. Step 2: Convert to fraction form
    344,219.84/475,029.48 = 191,272.16/x
  3. Step 3: Cross multiply
    344,219.84x = 475,029.48 × 191,272.16
  4. Step 4: Simplify right side
    344,219.84x = 90,859,914,703.28
  5. Step 5: Solve for x
    x = 90,859,914,703.28/344,219.84
  6. Step 6: Final answer
    x = 263,958.97

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1.5x scale

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.