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Finding the Fourth Proportional to 510,643.62, 704,581.38 and 295,770.87

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Solution

The fourth proportional to 510,643.62, 704,581.38 and 295,770.87 is: 408,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,643.62 : 704,581.38 = 295,770.87 : x
  2. Step 2: Convert to fraction form
    510,643.62/704,581.38 = 295,770.87/x
  3. Step 3: Cross multiply
    510,643.62x = 704,581.38 × 295,770.87
  4. Step 4: Simplify right side
    510,643.62x = 208,394,647,748.40
  5. Step 5: Solve for x
    x = 208,394,647,748.40/510,643.62
  6. Step 6: Final answer
    x = 408,101.93

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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.