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Finding the Fourth Proportional to 293,279.37, 404,724.11 and 159,143.37

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Solution

The fourth proportional to 293,279.37, 404,724.11 and 159,143.37 is: 219,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,279.37 : 404,724.11 = 159,143.37 : x
  2. Step 2: Convert to fraction form
    293,279.37/404,724.11 = 159,143.37/x
  3. Step 3: Cross multiply
    293,279.37x = 404,724.11 × 159,143.37
  4. Step 4: Simplify right side
    293,279.37x = 64,409,157,989.93
  5. Step 5: Solve for x
    x = 64,409,157,989.93/293,279.37
  6. Step 6: Final answer
    x = 219,617.08

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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.