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Finding the Fourth Proportional to 503,493.60, 694,764.19 and 296,748.48

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Solution

The fourth proportional to 503,493.60, 694,764.19 and 296,748.48 is: 409,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,493.60 : 694,764.19 = 296,748.48 : x
  2. Step 2: Convert to fraction form
    503,493.60/694,764.19 = 296,748.48/x
  3. Step 3: Cross multiply
    503,493.60x = 694,764.19 × 296,748.48
  4. Step 4: Simplify right side
    503,493.60x = 206,170,217,340.93
  5. Step 5: Solve for x
    x = 206,170,217,340.93/503,493.60
  6. Step 6: Final answer
    x = 409,479.32

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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.