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Finding the Fourth Proportional to 382,525.38, 527,996.21 and 255,200.67

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Solution

The fourth proportional to 382,525.38, 527,996.21 and 255,200.67 is: 352,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,525.38 : 527,996.21 = 255,200.67 : x
  2. Step 2: Convert to fraction form
    382,525.38/527,996.21 = 255,200.67/x
  3. Step 3: Cross multiply
    382,525.38x = 527,996.21 × 255,200.67
  4. Step 4: Simplify right side
    382,525.38x = 134,744,985,273.46
  5. Step 5: Solve for x
    x = 134,744,985,273.46/382,525.38
  6. Step 6: Final answer
    x = 352,251.10

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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.