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Finding the Fourth Proportional to 527,099.37, 790,658.78 and 190,165.29

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Solution

The fourth proportional to 527,099.37, 790,658.78 and 190,165.29 is: 285,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,099.37 : 790,658.78 = 190,165.29 : x
  2. Step 2: Convert to fraction form
    527,099.37/790,658.78 = 190,165.29/x
  3. Step 3: Cross multiply
    527,099.37x = 790,658.78 × 190,165.29
  4. Step 4: Simplify right side
    527,099.37x = 150,355,855,238.92
  5. Step 5: Solve for x
    x = 150,355,855,238.92/527,099.37
  6. Step 6: Final answer
    x = 285,251.44

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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.