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Finding the Fourth Proportional to 219,494.58, 329,239.47 and 53,282.58

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Solution

The fourth proportional to 219,494.58, 329,239.47 and 53,282.58 is: 79,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,494.58 : 329,239.47 = 53,282.58 : x
  2. Step 2: Convert to fraction form
    219,494.58/329,239.47 = 53,282.58/x
  3. Step 3: Cross multiply
    219,494.58x = 329,239.47 × 53,282.58
  4. Step 4: Simplify right side
    219,494.58x = 17,542,728,399.43
  5. Step 5: Solve for x
    x = 17,542,728,399.43/219,494.58
  6. Step 6: Final answer
    x = 79,923.29

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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.