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Finding the Fourth Proportional to 217,624.27, 300,624.25 and 206,983.40

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Solution

The fourth proportional to 217,624.27, 300,624.25 and 206,983.40 is: 285,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,624.27 : 300,624.25 = 206,983.40 : x
  2. Step 2: Convert to fraction form
    217,624.27/300,624.25 = 206,983.40/x
  3. Step 3: Cross multiply
    217,624.27x = 300,624.25 × 206,983.40
  4. Step 4: Simplify right side
    217,624.27x = 62,224,230,761.01
  5. Step 5: Solve for x
    x = 62,224,230,761.01/217,624.27
  6. Step 6: Final answer
    x = 285,925.05

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1.5x scale

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.