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Finding the Fourth Proportional to 609,116.52, 914,572.97 and 339,770.92

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Solution

The fourth proportional to 609,116.52, 914,572.97 and 339,770.92 is: 510,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,116.52 : 914,572.97 = 339,770.92 : x
  2. Step 2: Convert to fraction form
    609,116.52/914,572.97 = 339,770.92/x
  3. Step 3: Cross multiply
    609,116.52x = 914,572.97 × 339,770.92
  4. Step 4: Simplify right side
    609,116.52x = 310,745,299,424.03
  5. Step 5: Solve for x
    x = 310,745,299,424.03/609,116.52
  6. Step 6: Final answer
    x = 510,157.40

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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.