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Finding the Fourth Proportional to 617,407.43, 926,142.20 and 196,716.11

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Solution

The fourth proportional to 617,407.43, 926,142.20 and 196,716.11 is: 295,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,407.43 : 926,142.20 = 196,716.11 : x
  2. Step 2: Convert to fraction form
    617,407.43/926,142.20 = 196,716.11/x
  3. Step 3: Cross multiply
    617,407.43x = 926,142.20 × 196,716.11
  4. Step 4: Simplify right side
    617,407.43x = 182,187,092,330.31
  5. Step 5: Solve for x
    x = 182,187,092,330.31/617,407.43
  6. Step 6: Final answer
    x = 295,084.06

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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.