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Finding the Fourth Proportional to 250,604.56, 375,909.28 and 200,619.48

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Solution

The fourth proportional to 250,604.56, 375,909.28 and 200,619.48 is: 300,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,604.56 : 375,909.28 = 200,619.48 : x
  2. Step 2: Convert to fraction form
    250,604.56/375,909.28 = 200,619.48/x
  3. Step 3: Cross multiply
    250,604.56x = 375,909.28 × 200,619.48
  4. Step 4: Simplify right side
    250,604.56x = 75,414,724,280.77
  5. Step 5: Solve for x
    x = 75,414,724,280.77/250,604.56
  6. Step 6: Final answer
    x = 300,931.17

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1.5x scale

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.