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Finding the Fourth Proportional to 382,258.80, 527,590.26 and 253,198.80

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Solution

The fourth proportional to 382,258.80, 527,590.26 and 253,198.80 is: 349,462.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,258.80 : 527,590.26 = 253,198.80 : x
  2. Step 2: Convert to fraction form
    382,258.80/527,590.26 = 253,198.80/x
  3. Step 3: Cross multiply
    382,258.80x = 527,590.26 × 253,198.80
  4. Step 4: Simplify right side
    382,258.80x = 133,585,220,723.69
  5. Step 5: Solve for x
    x = 133,585,220,723.69/382,258.80
  6. Step 6: Final answer
    x = 349,462.77

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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.