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Finding the Fourth Proportional to 650,010.78, 974,487.69 and 271,213.67

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Solution

The fourth proportional to 650,010.78, 974,487.69 and 271,213.67 is: 406,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,010.78 : 974,487.69 = 271,213.67 : x
  2. Step 2: Convert to fraction form
    650,010.78/974,487.69 = 271,213.67/x
  3. Step 3: Cross multiply
    650,010.78x = 974,487.69 × 271,213.67
  4. Step 4: Simplify right side
    650,010.78x = 264,294,377,902.28
  5. Step 5: Solve for x
    x = 264,294,377,902.28/650,010.78
  6. Step 6: Final answer
    x = 406,599.99

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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.