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Finding the Fourth Proportional to 318,495.14, 439,524.78 and 182,537.12

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Solution

The fourth proportional to 318,495.14, 439,524.78 and 182,537.12 is: 251,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,495.14 : 439,524.78 = 182,537.12 : x
  2. Step 2: Convert to fraction form
    318,495.14/439,524.78 = 182,537.12/x
  3. Step 3: Cross multiply
    318,495.14x = 439,524.78 × 182,537.12
  4. Step 4: Simplify right side
    318,495.14x = 80,229,587,714.74
  5. Step 5: Solve for x
    x = 80,229,587,714.74/318,495.14
  6. Step 6: Final answer
    x = 251,902.08

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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.