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Finding the Fourth Proportional to 276,650.10, 414,647.10 and 248,437.80

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Solution

The fourth proportional to 276,650.10, 414,647.10 and 248,437.80 is: 372,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,650.10 : 414,647.10 = 248,437.80 : x
  2. Step 2: Convert to fraction form
    276,650.10/414,647.10 = 248,437.80/x
  3. Step 3: Cross multiply
    276,650.10x = 414,647.10 × 248,437.80
  4. Step 4: Simplify right side
    276,650.10x = 103,014,013,300.38
  5. Step 5: Solve for x
    x = 103,014,013,300.38/276,650.10
  6. Step 6: Final answer
    x = 372,362.10

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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.