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Finding the Fourth Proportional to 301,789.80, 416,467.86 and 165,825.18

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Solution

The fourth proportional to 301,789.80, 416,467.86 and 165,825.18 is: 228,837.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,789.80 : 416,467.86 = 165,825.18 : x
  2. Step 2: Convert to fraction form
    301,789.80/416,467.86 = 165,825.18/x
  3. Step 3: Cross multiply
    301,789.80x = 416,467.86 × 165,825.18
  4. Step 4: Simplify right side
    301,789.80x = 69,060,857,848.71
  5. Step 5: Solve for x
    x = 69,060,857,848.71/301,789.80
  6. Step 6: Final answer
    x = 228,837.61

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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.