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Finding the Fourth Proportional to 523,568.52, 722,505.60 and 319,960.08

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Solution

The fourth proportional to 523,568.52, 722,505.60 and 319,960.08 is: 441,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,568.52 : 722,505.60 = 319,960.08 : x
  2. Step 2: Convert to fraction form
    523,568.52/722,505.60 = 319,960.08/x
  3. Step 3: Cross multiply
    523,568.52x = 722,505.60 × 319,960.08
  4. Step 4: Simplify right side
    523,568.52x = 231,172,949,576.45
  5. Step 5: Solve for x
    x = 231,172,949,576.45/523,568.52
  6. Step 6: Final answer
    x = 441,533.33

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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.