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Finding the Fourth Proportional to 353,176.82, 529,182.92 and 203,542.88

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Solution

The fourth proportional to 353,176.82, 529,182.92 and 203,542.88 is: 304,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,176.82 : 529,182.92 = 203,542.88 : x
  2. Step 2: Convert to fraction form
    353,176.82/529,182.92 = 203,542.88/x
  3. Step 3: Cross multiply
    353,176.82x = 529,182.92 × 203,542.88
  4. Step 4: Simplify right side
    353,176.82x = 107,711,415,583.61
  5. Step 5: Solve for x
    x = 107,711,415,583.61/353,176.82
  6. Step 6: Final answer
    x = 304,978.72

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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.