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Finding the Fourth Proportional to 580,347.78, 800,958.15 and 325,712.94

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Solution

The fourth proportional to 580,347.78, 800,958.15 and 325,712.94 is: 449,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,347.78 : 800,958.15 = 325,712.94 : x
  2. Step 2: Convert to fraction form
    580,347.78/800,958.15 = 325,712.94/x
  3. Step 3: Cross multiply
    580,347.78x = 800,958.15 × 325,712.94
  4. Step 4: Simplify right side
    580,347.78x = 260,882,433,853.46
  5. Step 5: Solve for x
    x = 260,882,433,853.46/580,347.78
  6. Step 6: Final answer
    x = 449,527.75

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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.