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Finding the Fourth Proportional to 439,084.32, 605,948.18 and 248,093.32

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Solution

The fourth proportional to 439,084.32, 605,948.18 and 248,093.32 is: 342,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,084.32 : 605,948.18 = 248,093.32 : x
  2. Step 2: Convert to fraction form
    439,084.32/605,948.18 = 248,093.32/x
  3. Step 3: Cross multiply
    439,084.32x = 605,948.18 × 248,093.32
  4. Step 4: Simplify right side
    439,084.32x = 150,331,695,724.16
  5. Step 5: Solve for x
    x = 150,331,695,724.16/439,084.32
  6. Step 6: Final answer
    x = 342,375.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.