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Finding the Fourth Proportional to 279,228.44, 418,840.74 and 113,014.04

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Solution

The fourth proportional to 279,228.44, 418,840.74 and 113,014.04 is: 169,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,228.44 : 418,840.74 = 113,014.04 : x
  2. Step 2: Convert to fraction form
    279,228.44/418,840.74 = 113,014.04/x
  3. Step 3: Cross multiply
    279,228.44x = 418,840.74 × 113,014.04
  4. Step 4: Simplify right side
    279,228.44x = 47,334,884,143.99
  5. Step 5: Solve for x
    x = 47,334,884,143.99/279,228.44
  6. Step 6: Final answer
    x = 169,520.28

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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.