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Finding the Fourth Proportional to 503,525.60, 694,808.32 and 296,780.48

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Solution

The fourth proportional to 503,525.60, 694,808.32 and 296,780.48 is: 409,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,525.60 : 694,808.32 = 296,780.48 : x
  2. Step 2: Convert to fraction form
    503,525.60/694,808.32 = 296,780.48/x
  3. Step 3: Cross multiply
    503,525.60x = 694,808.32 × 296,780.48
  4. Step 4: Simplify right side
    503,525.60x = 206,205,546,717.59
  5. Step 5: Solve for x
    x = 206,205,546,717.59/503,525.60
  6. Step 6: Final answer
    x = 409,523.46

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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.