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Finding the Fourth Proportional to 341,605.02, 512,451.27 and 131,215.62

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Solution

The fourth proportional to 341,605.02, 512,451.27 and 131,215.62 is: 196,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,605.02 : 512,451.27 = 131,215.62 : x
  2. Step 2: Convert to fraction form
    341,605.02/512,451.27 = 131,215.62/x
  3. Step 3: Cross multiply
    341,605.02x = 512,451.27 × 131,215.62
  4. Step 4: Simplify right side
    341,605.02x = 67,241,611,112.84
  5. Step 5: Solve for x
    x = 67,241,611,112.84/341,605.02
  6. Step 6: Final answer
    x = 196,840.23

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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.