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Finding the Fourth Proportional to 341,395.98, 512,118.57 and 131,033.92

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Solution

The fourth proportional to 341,395.98, 512,118.57 and 131,033.92 is: 196,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,395.98 : 512,118.57 = 131,033.92 : x
  2. Step 2: Convert to fraction form
    341,395.98/512,118.57 = 131,033.92/x
  3. Step 3: Cross multiply
    341,395.98x = 512,118.57 × 131,033.92
  4. Step 4: Simplify right side
    341,395.98x = 67,104,901,171.30
  5. Step 5: Solve for x
    x = 67,104,901,171.30/341,395.98
  6. Step 6: Final answer
    x = 196,560.32

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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.