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Finding the Fourth Proportional to 388,297.62, 582,208.58 and 151,363.50

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Solution

The fourth proportional to 388,297.62, 582,208.58 and 151,363.50 is: 226,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,297.62 : 582,208.58 = 151,363.50 : x
  2. Step 2: Convert to fraction form
    388,297.62/582,208.58 = 151,363.50/x
  3. Step 3: Cross multiply
    388,297.62x = 582,208.58 × 151,363.50
  4. Step 4: Simplify right side
    388,297.62x = 88,125,127,642.01
  5. Step 5: Solve for x
    x = 88,125,127,642.01/388,297.62
  6. Step 6: Final answer
    x = 226,952.53

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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.