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Finding the Fourth Proportional to 276,652.80, 414,979.20 and 246,909.60

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Solution

The fourth proportional to 276,652.80, 414,979.20 and 246,909.60 is: 370,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,652.80 : 414,979.20 = 246,909.60 : x
  2. Step 2: Convert to fraction form
    276,652.80/414,979.20 = 246,909.60/x
  3. Step 3: Cross multiply
    276,652.80x = 414,979.20 × 246,909.60
  4. Step 4: Simplify right side
    276,652.80x = 102,462,348,280.32
  5. Step 5: Solve for x
    x = 102,462,348,280.32/276,652.80
  6. Step 6: Final answer
    x = 370,364.40

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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.