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Finding the Fourth Proportional to 303,463.60, 454,158.60 and 266,138.80

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Solution

The fourth proportional to 303,463.60, 454,158.60 and 266,138.80 is: 398,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,463.60 : 454,158.60 = 266,138.80 : x
  2. Step 2: Convert to fraction form
    303,463.60/454,158.60 = 266,138.80/x
  3. Step 3: Cross multiply
    303,463.60x = 454,158.60 × 266,138.80
  4. Step 4: Simplify right side
    303,463.60x = 120,869,224,813.68
  5. Step 5: Solve for x
    x = 120,869,224,813.68/303,463.60
  6. Step 6: Final answer
    x = 398,298.92

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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.