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Finding the Fourth Proportional to 342,752.64, 472,560.06 and 235,135.86

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Solution

The fourth proportional to 342,752.64, 472,560.06 and 235,135.86 is: 324,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,752.64 : 472,560.06 = 235,135.86 : x
  2. Step 2: Convert to fraction form
    342,752.64/472,560.06 = 235,135.86/x
  3. Step 3: Cross multiply
    342,752.64x = 472,560.06 × 235,135.86
  4. Step 4: Simplify right side
    342,752.64x = 111,115,816,109.75
  5. Step 5: Solve for x
    x = 111,115,816,109.75/342,752.64
  6. Step 6: Final answer
    x = 324,186.61

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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.