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Finding the Fourth Proportional to 342,452.20, 472,551.86 and 231,845.86

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Solution

The fourth proportional to 342,452.20, 472,551.86 and 231,845.86 is: 319,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,452.20 : 472,551.86 = 231,845.86 : x
  2. Step 2: Convert to fraction form
    342,452.20/472,551.86 = 231,845.86/x
  3. Step 3: Cross multiply
    342,452.20x = 472,551.86 × 231,845.86
  4. Step 4: Simplify right side
    342,452.20x = 109,559,190,669.81
  5. Step 5: Solve for x
    x = 109,559,190,669.81/342,452.20
  6. Step 6: Final answer
    x = 319,925.50

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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.