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Finding the Fourth Proportional to 467,700.52, 644,996.16 and 306,497.02

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Solution

The fourth proportional to 467,700.52, 644,996.16 and 306,497.02 is: 422,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,700.52 : 644,996.16 = 306,497.02 : x
  2. Step 2: Convert to fraction form
    467,700.52/644,996.16 = 306,497.02/x
  3. Step 3: Cross multiply
    467,700.52x = 644,996.16 × 306,497.02
  4. Step 4: Simplify right side
    467,700.52x = 197,689,400,951.44
  5. Step 5: Solve for x
    x = 197,689,400,951.44/467,700.52
  6. Step 6: Final answer
    x = 422,683.73

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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.