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Finding the Fourth Proportional to 363,361.30, 501,462.15 and 202,215.85

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Solution

The fourth proportional to 363,361.30, 501,462.15 and 202,215.85 is: 279,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,361.30 : 501,462.15 = 202,215.85 : x
  2. Step 2: Convert to fraction form
    363,361.30/501,462.15 = 202,215.85/x
  3. Step 3: Cross multiply
    363,361.30x = 501,462.15 × 202,215.85
  4. Step 4: Simplify right side
    363,361.30x = 101,403,594,905.08
  5. Step 5: Solve for x
    x = 101,403,594,905.08/363,361.30
  6. Step 6: Final answer
    x = 279,070.98

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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.