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Finding the Fourth Proportional to 574,463.82, 861,096.74 and 321,373.25

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Solution

The fourth proportional to 574,463.82, 861,096.74 and 321,373.25 is: 481,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,463.82 : 861,096.74 = 321,373.25 : x
  2. Step 2: Convert to fraction form
    574,463.82/861,096.74 = 321,373.25/x
  3. Step 3: Cross multiply
    574,463.82x = 861,096.74 × 321,373.25
  4. Step 4: Simplify right side
    574,463.82x = 276,733,451,985.86
  5. Step 5: Solve for x
    x = 276,733,451,985.86/574,463.82
  6. Step 6: Final answer
    x = 481,724.77

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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.