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Finding the Fourth Proportional to 540,166.79, 809,602.94 and 251,589.39

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Solution

The fourth proportional to 540,166.79, 809,602.94 and 251,589.39 is: 377,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,166.79 : 809,602.94 = 251,589.39 : x
  2. Step 2: Convert to fraction form
    540,166.79/809,602.94 = 251,589.39/x
  3. Step 3: Cross multiply
    540,166.79x = 809,602.94 × 251,589.39
  4. Step 4: Simplify right side
    540,166.79x = 203,687,508,558.86
  5. Step 5: Solve for x
    x = 203,687,508,558.86/540,166.79
  6. Step 6: Final answer
    x = 377,082.62

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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.