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Finding the Fourth Proportional to 533,489.72, 800,450.87 and 233,812.40

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Solution

The fourth proportional to 533,489.72, 800,450.87 and 233,812.40 is: 350,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,489.72 : 800,450.87 = 233,812.40 : x
  2. Step 2: Convert to fraction form
    533,489.72/800,450.87 = 233,812.40/x
  3. Step 3: Cross multiply
    533,489.72x = 800,450.87 × 233,812.40
  4. Step 4: Simplify right side
    533,489.72x = 187,155,333,825.47
  5. Step 5: Solve for x
    x = 187,155,333,825.47/533,489.72
  6. Step 6: Final answer
    x = 350,813.39

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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.