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Finding the Fourth Proportional to 360,310.21, 497,228.19 and 196,967.42

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Solution

The fourth proportional to 360,310.21, 497,228.19 and 196,967.42 is: 271,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,310.21 : 497,228.19 = 196,967.42 : x
  2. Step 2: Convert to fraction form
    360,310.21/497,228.19 = 196,967.42/x
  3. Step 3: Cross multiply
    360,310.21x = 497,228.19 × 196,967.42
  4. Step 4: Simplify right side
    360,310.21x = 97,937,753,735.57
  5. Step 5: Solve for x
    x = 97,937,753,735.57/360,310.21
  6. Step 6: Final answer
    x = 271,815.10

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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.