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Finding the Fourth Proportional to 344,426.25, 475,305.66 and 191,478.41

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Solution

The fourth proportional to 344,426.25, 475,305.66 and 191,478.41 is: 264,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,426.25 : 475,305.66 = 191,478.41 : x
  2. Step 2: Convert to fraction form
    344,426.25/475,305.66 = 191,478.41/x
  3. Step 3: Cross multiply
    344,426.25x = 475,305.66 × 191,478.41
  4. Step 4: Simplify right side
    344,426.25x = 91,010,769,664.27
  5. Step 5: Solve for x
    x = 91,010,769,664.27/344,426.25
  6. Step 6: Final answer
    x = 264,238.77

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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.