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Finding the Fourth Proportional to 576,966.44, 796,198.10 and 315,311.40

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Solution

The fourth proportional to 576,966.44, 796,198.10 and 315,311.40 is: 435,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,966.44 : 796,198.10 = 315,311.40 : x
  2. Step 2: Convert to fraction form
    576,966.44/796,198.10 = 315,311.40/x
  3. Step 3: Cross multiply
    576,966.44x = 796,198.10 × 315,311.40
  4. Step 4: Simplify right side
    576,966.44x = 251,050,337,588.34
  5. Step 5: Solve for x
    x = 251,050,337,588.34/576,966.44
  6. Step 6: Final answer
    x = 435,121.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.