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Finding the Fourth Proportional to 319,808.98, 441,333.57 and 176,565.97

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Solution

The fourth proportional to 319,808.98, 441,333.57 and 176,565.97 is: 243,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,808.98 : 441,333.57 = 176,565.97 : x
  2. Step 2: Convert to fraction form
    319,808.98/441,333.57 = 176,565.97/x
  3. Step 3: Cross multiply
    319,808.98x = 441,333.57 × 176,565.97
  4. Step 4: Simplify right side
    319,808.98x = 77,924,489,880.61
  5. Step 5: Solve for x
    x = 77,924,489,880.61/319,808.98
  6. Step 6: Final answer
    x = 243,659.48

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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.