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Finding the Fourth Proportional to 314,481.15, 433,926.30 and 185,460.09

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Solution

The fourth proportional to 314,481.15, 433,926.30 and 185,460.09 is: 255,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,481.15 : 433,926.30 = 185,460.09 : x
  2. Step 2: Convert to fraction form
    314,481.15/433,926.30 = 185,460.09/x
  3. Step 3: Cross multiply
    314,481.15x = 433,926.30 × 185,460.09
  4. Step 4: Simplify right side
    314,481.15x = 80,476,010,651.37
  5. Step 5: Solve for x
    x = 80,476,010,651.37/314,481.15
  6. Step 6: Final answer
    x = 255,900.90

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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.