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Finding the Fourth Proportional to 393,812.57, 543,468.25 and 232,667.24

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Solution

The fourth proportional to 393,812.57, 543,468.25 and 232,667.24 is: 321,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,812.57 : 543,468.25 = 232,667.24 : x
  2. Step 2: Convert to fraction form
    393,812.57/543,468.25 = 232,667.24/x
  3. Step 3: Cross multiply
    393,812.57x = 543,468.25 × 232,667.24
  4. Step 4: Simplify right side
    393,812.57x = 126,447,255,328.62
  5. Step 5: Solve for x
    x = 126,447,255,328.62/393,812.57
  6. Step 6: Final answer
    x = 321,084.87

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1.5x scale

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.