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Finding the Fourth Proportional to 382,028.99, 527,200.11 and 212,263.11

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Solution

The fourth proportional to 382,028.99, 527,200.11 and 212,263.11 is: 292,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,028.99 : 527,200.11 = 212,263.11 : x
  2. Step 2: Convert to fraction form
    382,028.99/527,200.11 = 212,263.11/x
  3. Step 3: Cross multiply
    382,028.99x = 527,200.11 × 212,263.11
  4. Step 4: Simplify right side
    382,028.99x = 111,905,134,940.94
  5. Step 5: Solve for x
    x = 111,905,134,940.94/382,028.99
  6. Step 6: Final answer
    x = 292,923.15

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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.