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Finding the Fourth Proportional to 607,067.80, 910,601.70 and 308,469.40

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Solution

The fourth proportional to 607,067.80, 910,601.70 and 308,469.40 is: 462,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,067.80 : 910,601.70 = 308,469.40 : x
  2. Step 2: Convert to fraction form
    607,067.80/910,601.70 = 308,469.40/x
  3. Step 3: Cross multiply
    607,067.80x = 910,601.70 × 308,469.40
  4. Step 4: Simplify right side
    607,067.80x = 280,892,760,037.98
  5. Step 5: Solve for x
    x = 280,892,760,037.98/607,067.80
  6. Step 6: Final answer
    x = 462,704.10

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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.