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Finding the Fourth Proportional to 343,592.10, 515,496.15 and 166,104.90

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Solution

The fourth proportional to 343,592.10, 515,496.15 and 166,104.90 is: 249,209.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,592.10 : 515,496.15 = 166,104.90 : x
  2. Step 2: Convert to fraction form
    343,592.10/515,496.15 = 166,104.90/x
  3. Step 3: Cross multiply
    343,592.10x = 515,496.15 × 166,104.90
  4. Step 4: Simplify right side
    343,592.10x = 85,626,436,446.14
  5. Step 5: Solve for x
    x = 85,626,436,446.14/343,592.10
  6. Step 6: Final answer
    x = 249,209.56

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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.