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Finding the Fourth Proportional to 644,470.02, 966,710.49 and 195,226.20

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Solution

The fourth proportional to 644,470.02, 966,710.49 and 195,226.20 is: 292,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,470.02 : 966,710.49 = 195,226.20 : x
  2. Step 2: Convert to fraction form
    644,470.02/966,710.49 = 195,226.20/x
  3. Step 3: Cross multiply
    644,470.02x = 966,710.49 × 195,226.20
  4. Step 4: Simplify right side
    644,470.02x = 188,727,215,462.84
  5. Step 5: Solve for x
    x = 188,727,215,462.84/644,470.02
  6. Step 6: Final answer
    x = 292,840.95

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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.