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Finding the Fourth Proportional to 293,231.80, 404,661.18 and 165,932.20

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Solution

The fourth proportional to 293,231.80, 404,661.18 and 165,932.20 is: 228,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,231.80 : 404,661.18 = 165,932.20 : x
  2. Step 2: Convert to fraction form
    293,231.80/404,661.18 = 165,932.20/x
  3. Step 3: Cross multiply
    293,231.80x = 404,661.18 × 165,932.20
  4. Step 4: Simplify right side
    293,231.80x = 67,146,319,852.00
  5. Step 5: Solve for x
    x = 67,146,319,852.00/293,231.80
  6. Step 6: Final answer
    x = 228,987.17

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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.