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Finding the Fourth Proportional to 293,378.58, 440,067.86 and 160,186.17

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Solution

The fourth proportional to 293,378.58, 440,067.86 and 160,186.17 is: 240,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,378.58 : 440,067.86 = 160,186.17 : x
  2. Step 2: Convert to fraction form
    293,378.58/440,067.86 = 160,186.17/x
  3. Step 3: Cross multiply
    293,378.58x = 440,067.86 × 160,186.17
  4. Step 4: Simplify right side
    293,378.58x = 70,492,786,483.52
  5. Step 5: Solve for x
    x = 70,492,786,483.52/293,378.58
  6. Step 6: Final answer
    x = 240,279.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.