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Finding the Fourth Proportional to 527,231.82, 790,684.11 and 190,228.71

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Solution

The fourth proportional to 527,231.82, 790,684.11 and 190,228.71 is: 285,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,231.82 : 790,684.11 = 190,228.71 : x
  2. Step 2: Convert to fraction form
    527,231.82/790,684.11 = 190,228.71/x
  3. Step 3: Cross multiply
    527,231.82x = 790,684.11 × 190,228.71
  4. Step 4: Simplify right side
    527,231.82x = 150,410,818,262.80
  5. Step 5: Solve for x
    x = 150,410,818,262.80/527,231.82
  6. Step 6: Final answer
    x = 285,284.03

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1.5x scale

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.