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Finding the Fourth Proportional to 637,279.70, 955,919.55 and 548,633.30

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Solution

The fourth proportional to 637,279.70, 955,919.55 and 548,633.30 is: 822,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,279.70 : 955,919.55 = 548,633.30 : x
  2. Step 2: Convert to fraction form
    637,279.70/955,919.55 = 548,633.30/x
  3. Step 3: Cross multiply
    637,279.70x = 955,919.55 × 548,633.30
  4. Step 4: Simplify right side
    637,279.70x = 524,449,297,251.02
  5. Step 5: Solve for x
    x = 524,449,297,251.02/637,279.70
  6. Step 6: Final answer
    x = 822,949.95

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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.