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Finding the Fourth Proportional to 426,544.26, 588,360.72 and 324,345.66

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Solution

The fourth proportional to 426,544.26, 588,360.72 and 324,345.66 is: 447,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,544.26 : 588,360.72 = 324,345.66 : x
  2. Step 2: Convert to fraction form
    426,544.26/588,360.72 = 324,345.66/x
  3. Step 3: Cross multiply
    426,544.26x = 588,360.72 × 324,345.66
  4. Step 4: Simplify right side
    426,544.26x = 190,832,246,046.48
  5. Step 5: Solve for x
    x = 190,832,246,046.48/426,544.26
  6. Step 6: Final answer
    x = 447,391.43

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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.