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Finding the Fourth Proportional to 293,847.54, 405,593.70 and 173,058.90

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Solution

The fourth proportional to 293,847.54, 405,593.70 and 173,058.90 is: 238,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,847.54 : 405,593.70 = 173,058.90 : x
  2. Step 2: Convert to fraction form
    293,847.54/405,593.70 = 173,058.90/x
  3. Step 3: Cross multiply
    293,847.54x = 405,593.70 × 173,058.90
  4. Step 4: Simplify right side
    293,847.54x = 70,191,599,568.93
  5. Step 5: Solve for x
    x = 70,191,599,568.93/293,847.54
  6. Step 6: Final answer
    x = 238,870.81

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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.