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Finding the Fourth Proportional to 504,496.40, 696,221.84 and 300,519.48

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Solution

The fourth proportional to 504,496.40, 696,221.84 and 300,519.48 is: 414,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,496.40 : 696,221.84 = 300,519.48 : x
  2. Step 2: Convert to fraction form
    504,496.40/696,221.84 = 300,519.48/x
  3. Step 3: Cross multiply
    504,496.40x = 696,221.84 × 300,519.48
  4. Step 4: Simplify right side
    504,496.40x = 209,228,225,321.44
  5. Step 5: Solve for x
    x = 209,228,225,321.44/504,496.40
  6. Step 6: Final answer
    x = 414,726.89

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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.