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Finding the Fourth Proportional to 341,333.70, 512,000.55 and 303,279.90

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Solution

The fourth proportional to 341,333.70, 512,000.55 and 303,279.90 is: 454,919.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,333.70 : 512,000.55 = 303,279.90 : x
  2. Step 2: Convert to fraction form
    341,333.70/512,000.55 = 303,279.90/x
  3. Step 3: Cross multiply
    341,333.70x = 512,000.55 × 303,279.90
  4. Step 4: Simplify right side
    341,333.70x = 155,279,475,603.95
  5. Step 5: Solve for x
    x = 155,279,475,603.95/341,333.70
  6. Step 6: Final answer
    x = 454,919.85

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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.