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Finding the Fourth Proportional to 399,591.52, 598,794 and 162,644.32

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Solution

The fourth proportional to 399,591.52, 598,794 and 162,644.32 is: 243,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,591.52 : 598,794 = 162,644.32 : x
  2. Step 2: Convert to fraction form
    399,591.52/598,794 = 162,644.32/x
  3. Step 3: Cross multiply
    399,591.52x = 598,794 × 162,644.32
  4. Step 4: Simplify right side
    399,591.52x = 97,390,442,950.08
  5. Step 5: Solve for x
    x = 97,390,442,950.08/399,591.52
  6. Step 6: Final answer
    x = 243,725.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.