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Finding the Fourth Proportional to 336,521.20, 504,436.20 and 196,207.60

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Solution

The fourth proportional to 336,521.20, 504,436.20 and 196,207.60 is: 294,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,521.20 : 504,436.20 = 196,207.60 : x
  2. Step 2: Convert to fraction form
    336,521.20/504,436.20 = 196,207.60/x
  3. Step 3: Cross multiply
    336,521.20x = 504,436.20 × 196,207.60
  4. Step 4: Simplify right side
    336,521.20x = 98,974,216,155.12
  5. Step 5: Solve for x
    x = 98,974,216,155.12/336,521.20
  6. Step 6: Final answer
    x = 294,109.90

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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.