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Finding the Fourth Proportional to 431,764.96, 595,878.48 and 322,679.84

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Solution

The fourth proportional to 431,764.96, 595,878.48 and 322,679.84 is: 445,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,764.96 : 595,878.48 = 322,679.84 : x
  2. Step 2: Convert to fraction form
    431,764.96/595,878.48 = 322,679.84/x
  3. Step 3: Cross multiply
    431,764.96x = 595,878.48 × 322,679.84
  4. Step 4: Simplify right side
    431,764.96x = 192,277,972,585.84
  5. Step 5: Solve for x
    x = 192,277,972,585.84/431,764.96
  6. Step 6: Final answer
    x = 445,330.19

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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.