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Finding the Fourth Proportional to 649,666.72, 974,605.16 and 200,282.44

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Solution

The fourth proportional to 649,666.72, 974,605.16 and 200,282.44 is: 300,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,666.72 : 974,605.16 = 200,282.44 : x
  2. Step 2: Convert to fraction form
    649,666.72/974,605.16 = 200,282.44/x
  3. Step 3: Cross multiply
    649,666.72x = 974,605.16 × 200,282.44
  4. Step 4: Simplify right side
    649,666.72x = 195,196,299,481.39
  5. Step 5: Solve for x
    x = 195,196,299,481.39/649,666.72
  6. Step 6: Final answer
    x = 300,456.05

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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.