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Finding the Fourth Proportional to 453,361.17, 679,481.24 and 228,785.85

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Solution

The fourth proportional to 453,361.17, 679,481.24 and 228,785.85 is: 342,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,361.17 : 679,481.24 = 228,785.85 : x
  2. Step 2: Convert to fraction form
    453,361.17/679,481.24 = 228,785.85/x
  3. Step 3: Cross multiply
    453,361.17x = 679,481.24 × 228,785.85
  4. Step 4: Simplify right side
    453,361.17x = 155,455,691,908.53
  5. Step 5: Solve for x
    x = 155,455,691,908.53/453,361.17
  6. Step 6: Final answer
    x = 342,895.91

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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.