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Finding the Fourth Proportional to 276,637.10, 414,627.60 and 248,424.80

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Solution

The fourth proportional to 276,637.10, 414,627.60 and 248,424.80 is: 372,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,637.10 : 414,627.60 = 248,424.80 : x
  2. Step 2: Convert to fraction form
    276,637.10/414,627.60 = 248,424.80/x
  3. Step 3: Cross multiply
    276,637.10x = 414,627.60 × 248,424.80
  4. Step 4: Simplify right side
    276,637.10x = 103,003,778,604.48
  5. Step 5: Solve for x
    x = 103,003,778,604.48/276,637.10
  6. Step 6: Final answer
    x = 372,342.61

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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.