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Finding the Fourth Proportional to 630,727.54, 946,216.14 and 231,371.80

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Solution

The fourth proportional to 630,727.54, 946,216.14 and 231,371.80 is: 347,103.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,727.54 : 946,216.14 = 231,371.80 : x
  2. Step 2: Convert to fraction form
    630,727.54/946,216.14 = 231,371.80/x
  3. Step 3: Cross multiply
    630,727.54x = 946,216.14 × 231,371.80
  4. Step 4: Simplify right side
    630,727.54x = 218,927,731,500.85
  5. Step 5: Solve for x
    x = 218,927,731,500.85/630,727.54
  6. Step 6: Final answer
    x = 347,103.49

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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.