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Finding the Fourth Proportional to 388,301.04, 582,525 and 151,628.76

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Solution

The fourth proportional to 388,301.04, 582,525 and 151,628.76 is: 227,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,301.04 : 582,525 = 151,628.76 : x
  2. Step 2: Convert to fraction form
    388,301.04/582,525 = 151,628.76/x
  3. Step 3: Cross multiply
    388,301.04x = 582,525 × 151,628.76
  4. Step 4: Simplify right side
    388,301.04x = 88,327,543,419
  5. Step 5: Solve for x
    x = 88,327,543,419/388,301.04
  6. Step 6: Final answer
    x = 227,471.82

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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.