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Finding the Fourth Proportional to 217,446.50, 326,390.88 and 149,983.22

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Solution

The fourth proportional to 217,446.50, 326,390.88 and 149,983.22 is: 225,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,446.50 : 326,390.88 = 149,983.22 : x
  2. Step 2: Convert to fraction form
    217,446.50/326,390.88 = 149,983.22/x
  3. Step 3: Cross multiply
    217,446.50x = 326,390.88 × 149,983.22
  4. Step 4: Simplify right side
    217,446.50x = 48,953,155,161.03
  5. Step 5: Solve for x
    x = 48,953,155,161.03/217,446.50
  6. Step 6: Final answer
    x = 225,127.35

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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.