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Finding the Fourth Proportional to 388,294.25, 582,203.52 and 151,360.13

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Solution

The fourth proportional to 388,294.25, 582,203.52 and 151,360.13 is: 226,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,294.25 : 582,203.52 = 151,360.13 : x
  2. Step 2: Convert to fraction form
    388,294.25/582,203.52 = 151,360.13/x
  3. Step 3: Cross multiply
    388,294.25x = 582,203.52 × 151,360.13
  4. Step 4: Simplify right side
    388,294.25x = 88,122,397,562.64
  5. Step 5: Solve for x
    x = 88,122,397,562.64/388,294.25
  6. Step 6: Final answer
    x = 226,947.47

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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.