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Finding the Fourth Proportional to 644,267.39, 966,004.11 and 217,762.97

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Solution

The fourth proportional to 644,267.39, 966,004.11 and 217,762.97 is: 326,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,267.39 : 966,004.11 = 217,762.97 : x
  2. Step 2: Convert to fraction form
    644,267.39/966,004.11 = 217,762.97/x
  3. Step 3: Cross multiply
    644,267.39x = 966,004.11 × 217,762.97
  4. Step 4: Simplify right side
    644,267.39x = 210,359,919,195.79
  5. Step 5: Solve for x
    x = 210,359,919,195.79/644,267.39
  6. Step 6: Final answer
    x = 326,510.27

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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.