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Finding the Fourth Proportional to 343,458.75, 515,083.08 and 237,523.51

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Solution

The fourth proportional to 343,458.75, 515,083.08 and 237,523.51 is: 356,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,458.75 : 515,083.08 = 237,523.51 : x
  2. Step 2: Convert to fraction form
    343,458.75/515,083.08 = 237,523.51/x
  3. Step 3: Cross multiply
    343,458.75x = 515,083.08 × 237,523.51
  4. Step 4: Simplify right side
    343,458.75x = 122,344,341,103.21
  5. Step 5: Solve for x
    x = 122,344,341,103.21/343,458.75
  6. Step 6: Final answer
    x = 356,212.62

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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.