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Finding the Fourth Proportional to 330,948.56, 496,630.20 and 133,956.56

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Solution

The fourth proportional to 330,948.56, 496,630.20 and 133,956.56 is: 201,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,948.56 : 496,630.20 = 133,956.56 : x
  2. Step 2: Convert to fraction form
    330,948.56/496,630.20 = 133,956.56/x
  3. Step 3: Cross multiply
    330,948.56x = 496,630.20 × 133,956.56
  4. Step 4: Simplify right side
    330,948.56x = 66,526,873,184.11
  5. Step 5: Solve for x
    x = 66,526,873,184.11/330,948.56
  6. Step 6: Final answer
    x = 201,018.77

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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.