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Finding the Fourth Proportional to 363,634.12, 501,814.98 and 212,760.28

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Solution

The fourth proportional to 363,634.12, 501,814.98 and 212,760.28 is: 293,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,634.12 : 501,814.98 = 212,760.28 : x
  2. Step 2: Convert to fraction form
    363,634.12/501,814.98 = 212,760.28/x
  3. Step 3: Cross multiply
    363,634.12x = 501,814.98 × 212,760.28
  4. Step 4: Simplify right side
    363,634.12x = 106,766,295,652.99
  5. Step 5: Solve for x
    x = 106,766,295,652.99/363,634.12
  6. Step 6: Final answer
    x = 293,609.12

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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.