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Finding the Fourth Proportional to 573,747.92, 791,800.17 and 319,093.64

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Solution

The fourth proportional to 573,747.92, 791,800.17 and 319,093.64 is: 440,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,747.92 : 791,800.17 = 319,093.64 : x
  2. Step 2: Convert to fraction form
    573,747.92/791,800.17 = 319,093.64/x
  3. Step 3: Cross multiply
    573,747.92x = 791,800.17 × 319,093.64
  4. Step 4: Simplify right side
    573,747.92x = 252,658,398,397.92
  5. Step 5: Solve for x
    x = 252,658,398,397.92/573,747.92
  6. Step 6: Final answer
    x = 440,364.82

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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.