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Finding the Fourth Proportional to 504,451.81, 696,121.86 and 275,003.52

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Solution

The fourth proportional to 504,451.81, 696,121.86 and 275,003.52 is: 379,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,451.81 : 696,121.86 = 275,003.52 : x
  2. Step 2: Convert to fraction form
    504,451.81/696,121.86 = 275,003.52/x
  3. Step 3: Cross multiply
    504,451.81x = 696,121.86 × 275,003.52
  4. Step 4: Simplify right side
    504,451.81x = 191,435,961,848.95
  5. Step 5: Solve for x
    x = 191,435,961,848.95/504,451.81
  6. Step 6: Final answer
    x = 379,493.06

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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.