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Finding the Fourth Proportional to 388,149.68, 582,027.58 and 177,607.24

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Solution

The fourth proportional to 388,149.68, 582,027.58 and 177,607.24 is: 266,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,149.68 : 582,027.58 = 177,607.24 : x
  2. Step 2: Convert to fraction form
    388,149.68/582,027.58 = 177,607.24/x
  3. Step 3: Cross multiply
    388,149.68x = 582,027.58 × 177,607.24
  4. Step 4: Simplify right side
    388,149.68x = 103,372,312,087.68
  5. Step 5: Solve for x
    x = 103,372,312,087.68/388,149.68
  6. Step 6: Final answer
    x = 266,320.75

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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.