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Finding the Fourth Proportional to 476,063.77, 714,092.57 and 121,074.73

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Solution

The fourth proportional to 476,063.77, 714,092.57 and 121,074.73 is: 181,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,063.77 : 714,092.57 = 121,074.73 : x
  2. Step 2: Convert to fraction form
    476,063.77/714,092.57 = 121,074.73/x
  3. Step 3: Cross multiply
    476,063.77x = 714,092.57 × 121,074.73
  4. Step 4: Simplify right side
    476,063.77x = 86,458,561,537.29
  5. Step 5: Solve for x
    x = 86,458,561,537.29/476,063.77
  6. Step 6: Final answer
    x = 181,611.30

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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.