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Finding the Fourth Proportional to 318,166.83, 439,069.14 and 174,926.43

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Solution

The fourth proportional to 318,166.83, 439,069.14 and 174,926.43 is: 241,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,166.83 : 439,069.14 = 174,926.43 : x
  2. Step 2: Convert to fraction form
    318,166.83/439,069.14 = 174,926.43/x
  3. Step 3: Cross multiply
    318,166.83x = 439,069.14 × 174,926.43
  4. Step 4: Simplify right side
    318,166.83x = 76,804,797,183.37
  5. Step 5: Solve for x
    x = 76,804,797,183.37/318,166.83
  6. Step 6: Final answer
    x = 241,397.88

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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.