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Finding the Fourth Proportional to 367,626.45, 551,439.68 and 274,314.45

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Solution

The fourth proportional to 367,626.45, 551,439.68 and 274,314.45 is: 411,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,626.45 : 551,439.68 = 274,314.45 : x
  2. Step 2: Convert to fraction form
    367,626.45/551,439.68 = 274,314.45/x
  3. Step 3: Cross multiply
    367,626.45x = 551,439.68 × 274,314.45
  4. Step 4: Simplify right side
    367,626.45x = 151,267,872,527.38
  5. Step 5: Solve for x
    x = 151,267,872,527.38/367,626.45
  6. Step 6: Final answer
    x = 411,471.68

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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.