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Finding the Fourth Proportional to 316,994.22, 437,496.84 and 196,174.44

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Solution

The fourth proportional to 316,994.22, 437,496.84 and 196,174.44 is: 270,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,994.22 : 437,496.84 = 196,174.44 : x
  2. Step 2: Convert to fraction form
    316,994.22/437,496.84 = 196,174.44/x
  3. Step 3: Cross multiply
    316,994.22x = 437,496.84 × 196,174.44
  4. Step 4: Simplify right side
    316,994.22x = 85,825,697,588.77
  5. Step 5: Solve for x
    x = 85,825,697,588.77/316,994.22
  6. Step 6: Final answer
    x = 270,748.46

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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.