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Finding the Fourth Proportional to 293,892.10, 405,575.45 and 171,381.07

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Solution

The fourth proportional to 293,892.10, 405,575.45 and 171,381.07 is: 236,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,892.10 : 405,575.45 = 171,381.07 : x
  2. Step 2: Convert to fraction form
    293,892.10/405,575.45 = 171,381.07/x
  3. Step 3: Cross multiply
    293,892.10x = 405,575.45 × 171,381.07
  4. Step 4: Simplify right side
    293,892.10x = 69,507,951,701.95
  5. Step 5: Solve for x
    x = 69,507,951,701.95/293,892.10
  6. Step 6: Final answer
    x = 236,508.41

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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.