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Finding the Fourth Proportional to 343,683.82, 515,689.80 and 166,092.13

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Solution

The fourth proportional to 343,683.82, 515,689.80 and 166,092.13 is: 249,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,683.82 : 515,689.80 = 166,092.13 : x
  2. Step 2: Convert to fraction form
    343,683.82/515,689.80 = 166,092.13/x
  3. Step 3: Cross multiply
    343,683.82x = 515,689.80 × 166,092.13
  4. Step 4: Simplify right side
    343,683.82x = 85,652,017,301.27
  5. Step 5: Solve for x
    x = 85,652,017,301.27/343,683.82
  6. Step 6: Final answer
    x = 249,217.49

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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.