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Finding the Fourth Proportional to 382,231.44, 527,480.45 and 210,167.00

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Solution

The fourth proportional to 382,231.44, 527,480.45 and 210,167.00 is: 290,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,231.44 : 527,480.45 = 210,167.00 : x
  2. Step 2: Convert to fraction form
    382,231.44/527,480.45 = 210,167.00/x
  3. Step 3: Cross multiply
    382,231.44x = 527,480.45 × 210,167.00
  4. Step 4: Simplify right side
    382,231.44x = 110,858,980,046.91
  5. Step 5: Solve for x
    x = 110,858,980,046.91/382,231.44
  6. Step 6: Final answer
    x = 290,031.03

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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.