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Finding the Fourth Proportional to 388,902.59, 582,447.46 and 375,433.10

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Solution

The fourth proportional to 388,902.59, 582,447.46 and 375,433.10 is: 562,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,902.59 : 582,447.46 = 375,433.10 : x
  2. Step 2: Convert to fraction form
    388,902.59/582,447.46 = 375,433.10/x
  3. Step 3: Cross multiply
    388,902.59x = 582,447.46 × 375,433.10
  4. Step 4: Simplify right side
    388,902.59x = 218,670,055,494.93
  5. Step 5: Solve for x
    x = 218,670,055,494.93/388,902.59
  6. Step 6: Final answer
    x = 562,274.62

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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.