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Finding the Fourth Proportional to 388,187.73, 582,275.10 and 174,836.97

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Solution

The fourth proportional to 388,187.73, 582,275.10 and 174,836.97 is: 262,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,187.73 : 582,275.10 = 174,836.97 : x
  2. Step 2: Convert to fraction form
    388,187.73/582,275.10 = 174,836.97/x
  3. Step 3: Cross multiply
    388,187.73x = 582,275.10 × 174,836.97
  4. Step 4: Simplify right side
    388,187.73x = 101,803,213,316.26
  5. Step 5: Solve for x
    x = 101,803,213,316.26/388,187.73
  6. Step 6: Final answer
    x = 262,252.53

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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.