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Finding the Fourth Proportional to 339,157.26, 468,042.51 and 186,209.55

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Solution

The fourth proportional to 339,157.26, 468,042.51 and 186,209.55 is: 256,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,157.26 : 468,042.51 = 186,209.55 : x
  2. Step 2: Convert to fraction form
    339,157.26/468,042.51 = 186,209.55/x
  3. Step 3: Cross multiply
    339,157.26x = 468,042.51 × 186,209.55
  4. Step 4: Simplify right side
    339,157.26x = 87,153,985,167.97
  5. Step 5: Solve for x
    x = 87,153,985,167.97/339,157.26
  6. Step 6: Final answer
    x = 256,972.19

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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.