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Finding the Fourth Proportional to 322,584.72, 483,888.62 and 85,928.23

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Solution

The fourth proportional to 322,584.72, 483,888.62 and 85,928.23 is: 128,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,584.72 : 483,888.62 = 85,928.23 : x
  2. Step 2: Convert to fraction form
    322,584.72/483,888.62 = 85,928.23/x
  3. Step 3: Cross multiply
    322,584.72x = 483,888.62 × 85,928.23
  4. Step 4: Simplify right side
    322,584.72x = 41,579,692,633.74
  5. Step 5: Solve for x
    x = 41,579,692,633.74/322,584.72
  6. Step 6: Final answer
    x = 128,895.42

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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.