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Finding the Fourth Proportional to 580,319.56, 800,841.42 and 325,670.71

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Solution

The fourth proportional to 580,319.56, 800,841.42 and 325,670.71 is: 449,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,319.56 : 800,841.42 = 325,670.71 : x
  2. Step 2: Convert to fraction form
    580,319.56/800,841.42 = 325,670.71/x
  3. Step 3: Cross multiply
    580,319.56x = 800,841.42 × 325,670.71
  4. Step 4: Simplify right side
    580,319.56x = 260,810,593,848.81
  5. Step 5: Solve for x
    x = 260,810,593,848.81/580,319.56
  6. Step 6: Final answer
    x = 449,425.82

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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.