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Finding the Fourth Proportional to 217,506.69, 326,197.40 and 59,740.29

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Solution

The fourth proportional to 217,506.69, 326,197.40 and 59,740.29 is: 89,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,506.69 : 326,197.40 = 59,740.29 : x
  2. Step 2: Convert to fraction form
    217,506.69/326,197.40 = 59,740.29/x
  3. Step 3: Cross multiply
    217,506.69x = 326,197.40 × 59,740.29
  4. Step 4: Simplify right side
    217,506.69x = 19,487,126,974.54
  5. Step 5: Solve for x
    x = 19,487,126,974.54/217,506.69
  6. Step 6: Final answer
    x = 89,593.23

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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.