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Finding the Fourth Proportional to 341,337.70, 512,160.15 and 154,252.90

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Solution

The fourth proportional to 341,337.70, 512,160.15 and 154,252.90 is: 231,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,337.70 : 512,160.15 = 154,252.90 : x
  2. Step 2: Convert to fraction form
    341,337.70/512,160.15 = 154,252.90/x
  3. Step 3: Cross multiply
    341,337.70x = 512,160.15 × 154,252.90
  4. Step 4: Simplify right side
    341,337.70x = 79,002,188,401.94
  5. Step 5: Solve for x
    x = 79,002,188,401.94/341,337.70
  6. Step 6: Final answer
    x = 231,448.76

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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.