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Finding the Fourth Proportional to 382,262.80, 527,595.78 and 253,202.80

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Solution

The fourth proportional to 382,262.80, 527,595.78 and 253,202.80 is: 349,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,262.80 : 527,595.78 = 253,202.80 : x
  2. Step 2: Convert to fraction form
    382,262.80/527,595.78 = 253,202.80/x
  3. Step 3: Cross multiply
    382,262.80x = 527,595.78 × 253,202.80
  4. Step 4: Simplify right side
    382,262.80x = 133,588,728,764.18
  5. Step 5: Solve for x
    x = 133,588,728,764.18/382,262.80
  6. Step 6: Final answer
    x = 349,468.29

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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.