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Finding the Fourth Proportional to 483,383.07, 667,087.59 and 330,741.42

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Solution

The fourth proportional to 483,383.07, 667,087.59 and 330,741.42 is: 456,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,383.07 : 667,087.59 = 330,741.42 : x
  2. Step 2: Convert to fraction form
    483,383.07/667,087.59 = 330,741.42/x
  3. Step 3: Cross multiply
    483,383.07x = 667,087.59 × 330,741.42
  4. Step 4: Simplify right side
    483,383.07x = 220,633,496,780.98
  5. Step 5: Solve for x
    x = 220,633,496,780.98/483,383.07
  6. Step 6: Final answer
    x = 456,436.13

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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.