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Finding the Fourth Proportional to 293,957.75, 405,649.95 and 173,104.13

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Solution

The fourth proportional to 293,957.75, 405,649.95 and 173,104.13 is: 238,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,957.75 : 405,649.95 = 173,104.13 : x
  2. Step 2: Convert to fraction form
    293,957.75/405,649.95 = 173,104.13/x
  3. Step 3: Cross multiply
    293,957.75x = 405,649.95 × 173,104.13
  4. Step 4: Simplify right side
    293,957.75x = 70,219,681,679.29
  5. Step 5: Solve for x
    x = 70,219,681,679.29/293,957.75
  6. Step 6: Final answer
    x = 238,876.78

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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.