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Finding the Fourth Proportional to 343,490.22, 474,010.38 and 192,587.22

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Solution

The fourth proportional to 343,490.22, 474,010.38 and 192,587.22 is: 265,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,490.22 : 474,010.38 = 192,587.22 : x
  2. Step 2: Convert to fraction form
    343,490.22/474,010.38 = 192,587.22/x
  3. Step 3: Cross multiply
    343,490.22x = 474,010.38 × 192,587.22
  4. Step 4: Simplify right side
    343,490.22x = 91,288,341,335.34
  5. Step 5: Solve for x
    x = 91,288,341,335.34/343,490.22
  6. Step 6: Final answer
    x = 265,766.93

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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.