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Finding the Fourth Proportional to 302,987.82, 418,074.30 and 182,100.18

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Solution

The fourth proportional to 302,987.82, 418,074.30 and 182,100.18 is: 251,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,987.82 : 418,074.30 = 182,100.18 : x
  2. Step 2: Convert to fraction form
    302,987.82/418,074.30 = 182,100.18/x
  3. Step 3: Cross multiply
    302,987.82x = 418,074.30 × 182,100.18
  4. Step 4: Simplify right side
    302,987.82x = 76,131,405,283.37
  5. Step 5: Solve for x
    x = 76,131,405,283.37/302,987.82
  6. Step 6: Final answer
    x = 251,268.86

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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.