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Finding the Fourth Proportional to 220,525.41, 330,748.62 and 58,420.56

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Solution

The fourth proportional to 220,525.41, 330,748.62 and 58,420.56 is: 87,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,525.41 : 330,748.62 = 58,420.56 : x
  2. Step 2: Convert to fraction form
    220,525.41/330,748.62 = 58,420.56/x
  3. Step 3: Cross multiply
    220,525.41x = 330,748.62 × 58,420.56
  4. Step 4: Simplify right side
    220,525.41x = 19,322,519,599.63
  5. Step 5: Solve for x
    x = 19,322,519,599.63/220,525.41
  6. Step 6: Final answer
    x = 87,620.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.