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Finding the Fourth Proportional to 330,782.44, 456,471.48 and 192,987.76

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Solution

The fourth proportional to 330,782.44, 456,471.48 and 192,987.76 is: 266,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,782.44 : 456,471.48 = 192,987.76 : x
  2. Step 2: Convert to fraction form
    330,782.44/456,471.48 = 192,987.76/x
  3. Step 3: Cross multiply
    330,782.44x = 456,471.48 × 192,987.76
  4. Step 4: Simplify right side
    330,782.44x = 88,093,408,429.08
  5. Step 5: Solve for x
    x = 88,093,408,429.08/330,782.44
  6. Step 6: Final answer
    x = 266,318.27

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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.