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Finding the Fourth Proportional to 342,058.36, 472,037.22 and 191,155.48

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Solution

The fourth proportional to 342,058.36, 472,037.22 and 191,155.48 is: 263,792.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,058.36 : 472,037.22 = 191,155.48 : x
  2. Step 2: Convert to fraction form
    342,058.36/472,037.22 = 191,155.48/x
  3. Step 3: Cross multiply
    342,058.36x = 472,037.22 × 191,155.48
  4. Step 4: Simplify right side
    342,058.36x = 90,232,501,366.97
  5. Step 5: Solve for x
    x = 90,232,501,366.97/342,058.36
  6. Step 6: Final answer
    x = 263,792.71

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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.