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Finding the Fourth Proportional to 363,012.99, 500,884.52 and 212,080.83

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Solution

The fourth proportional to 363,012.99, 500,884.52 and 212,080.83 is: 292,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,012.99 : 500,884.52 = 212,080.83 : x
  2. Step 2: Convert to fraction form
    363,012.99/500,884.52 = 212,080.83/x
  3. Step 3: Cross multiply
    363,012.99x = 500,884.52 × 212,080.83
  4. Step 4: Simplify right side
    363,012.99x = 106,228,003,675.35
  5. Step 5: Solve for x
    x = 106,228,003,675.35/363,012.99
  6. Step 6: Final answer
    x = 292,628.66

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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.