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Finding the Fourth Proportional to 574,405.21, 792,785.48 and 332,687.71

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Solution

The fourth proportional to 574,405.21, 792,785.48 and 332,687.71 is: 459,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,405.21 : 792,785.48 = 332,687.71 : x
  2. Step 2: Convert to fraction form
    574,405.21/792,785.48 = 332,687.71/x
  3. Step 3: Cross multiply
    574,405.21x = 792,785.48 × 332,687.71
  4. Step 4: Simplify right side
    574,405.21x = 263,749,980,730.58
  5. Step 5: Solve for x
    x = 263,749,980,730.58/574,405.21
  6. Step 6: Final answer
    x = 459,170.60

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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.