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Finding the Fourth Proportional to 377,173.46, 520,286.35 and 224,260.97

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Solution

The fourth proportional to 377,173.46, 520,286.35 and 224,260.97 is: 309,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,173.46 : 520,286.35 = 224,260.97 : x
  2. Step 2: Convert to fraction form
    377,173.46/520,286.35 = 224,260.97/x
  3. Step 3: Cross multiply
    377,173.46x = 520,286.35 × 224,260.97
  4. Step 4: Simplify right side
    377,173.46x = 116,679,921,083.04
  5. Step 5: Solve for x
    x = 116,679,921,083.04/377,173.46
  6. Step 6: Final answer
    x = 309,353.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.