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Finding the Fourth Proportional to 301,891.80, 416,611.02 and 165,925.71

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Solution

The fourth proportional to 301,891.80, 416,611.02 and 165,925.71 is: 228,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,891.80 : 416,611.02 = 165,925.71 : x
  2. Step 2: Convert to fraction form
    301,891.80/416,611.02 = 165,925.71/x
  3. Step 3: Cross multiply
    301,891.80x = 416,611.02 × 165,925.71
  4. Step 4: Simplify right side
    301,891.80x = 69,126,479,287.32
  5. Step 5: Solve for x
    x = 69,126,479,287.32/301,891.80
  6. Step 6: Final answer
    x = 228,977.66

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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.