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Finding the Fourth Proportional to 367,512.21, 507,131.56 and 206,330.31

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Solution

The fourth proportional to 367,512.21, 507,131.56 and 206,330.31 is: 284,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,512.21 : 507,131.56 = 206,330.31 : x
  2. Step 2: Convert to fraction form
    367,512.21/507,131.56 = 206,330.31/x
  3. Step 3: Cross multiply
    367,512.21x = 507,131.56 × 206,330.31
  4. Step 4: Simplify right side
    367,512.21x = 104,636,611,985.58
  5. Step 5: Solve for x
    x = 104,636,611,985.58/367,512.21
  6. Step 6: Final answer
    x = 284,716.02

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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.