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Finding the Fourth Proportional to 344,378.25, 475,027.54 and 236,761.45

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Solution

The fourth proportional to 344,378.25, 475,027.54 and 236,761.45 is: 326,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,378.25 : 475,027.54 = 236,761.45 : x
  2. Step 2: Convert to fraction form
    344,378.25/475,027.54 = 236,761.45/x
  3. Step 3: Cross multiply
    344,378.25x = 475,027.54 × 236,761.45
  4. Step 4: Simplify right side
    344,378.25x = 112,468,207,380.86
  5. Step 5: Solve for x
    x = 112,468,207,380.86/344,378.25
  6. Step 6: Final answer
    x = 326,583.36

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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.