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Finding the Fourth Proportional to 352,512.64, 486,468.06 and 191,367.82

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Solution

The fourth proportional to 352,512.64, 486,468.06 and 191,367.82 is: 264,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512.64 : 486,468.06 = 191,367.82 : x
  2. Step 2: Convert to fraction form
    352,512.64/486,468.06 = 191,367.82/x
  3. Step 3: Cross multiply
    352,512.64x = 486,468.06 × 191,367.82
  4. Step 4: Simplify right side
    352,512.64x = 93,094,332,141.83
  5. Step 5: Solve for x
    x = 93,094,332,141.83/352,512.64
  6. Step 6: Final answer
    x = 264,087.93

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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.