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Finding the Fourth Proportional to 301,636.39, 416,263.24 and 165,682.92

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Solution

The fourth proportional to 301,636.39, 416,263.24 and 165,682.92 is: 228,645.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,636.39 : 416,263.24 = 165,682.92 : x
  2. Step 2: Convert to fraction form
    301,636.39/416,263.24 = 165,682.92/x
  3. Step 3: Cross multiply
    301,636.39x = 416,263.24 × 165,682.92
  4. Step 4: Simplify right side
    301,636.39x = 68,967,708,263.45
  5. Step 5: Solve for x
    x = 68,967,708,263.45/301,636.39
  6. Step 6: Final answer
    x = 228,645.19

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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.