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Finding the Fourth Proportional to 531,861.67, 737,074.18 and 521,768.67

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Solution

The fourth proportional to 531,861.67, 737,074.18 and 521,768.67 is: 723,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,861.67 : 737,074.18 = 521,768.67 : x
  2. Step 2: Convert to fraction form
    531,861.67/737,074.18 = 521,768.67/x
  3. Step 3: Cross multiply
    531,861.67x = 737,074.18 × 521,768.67
  4. Step 4: Simplify right side
    531,861.67x = 384,582,214,589.94
  5. Step 5: Solve for x
    x = 384,582,214,589.94/531,861.67
  6. Step 6: Final answer
    x = 723,086.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.