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Finding the Fourth Proportional to 450,170.44, 674,505.91 and 316,770.42

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Solution

The fourth proportional to 450,170.44, 674,505.91 and 316,770.42 is: 474,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,170.44 : 674,505.91 = 316,770.42 : x
  2. Step 2: Convert to fraction form
    450,170.44/674,505.91 = 316,770.42/x
  3. Step 3: Cross multiply
    450,170.44x = 674,505.91 × 316,770.42
  4. Step 4: Simplify right side
    450,170.44x = 213,663,520,403.18
  5. Step 5: Solve for x
    x = 213,663,520,403.18/450,170.44
  6. Step 6: Final answer
    x = 474,628.06

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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.