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Finding the Fourth Proportional to 352,989.93, 487,126.11 and 191,845.35

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Solution

The fourth proportional to 352,989.93, 487,126.11 and 191,845.35 is: 264,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,989.93 : 487,126.11 = 191,845.35 : x
  2. Step 2: Convert to fraction form
    352,989.93/487,126.11 = 191,845.35/x
  3. Step 3: Cross multiply
    352,989.93x = 487,126.11 × 191,845.35
  4. Step 4: Simplify right side
    352,989.93x = 93,452,879,067.09
  5. Step 5: Solve for x
    x = 93,452,879,067.09/352,989.93
  6. Step 6: Final answer
    x = 264,746.59

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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.