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Finding the Fourth Proportional to 504,560.43, 696,462.12 and 300,675.29

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Solution

The fourth proportional to 504,560.43, 696,462.12 and 300,675.29 is: 415,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,560.43 : 696,462.12 = 300,675.29 : x
  2. Step 2: Convert to fraction form
    504,560.43/696,462.12 = 300,675.29/x
  3. Step 3: Cross multiply
    504,560.43x = 696,462.12 × 300,675.29
  4. Step 4: Simplify right side
    504,560.43x = 209,408,946,422.70
  5. Step 5: Solve for x
    x = 209,408,946,422.70/504,560.43
  6. Step 6: Final answer
    x = 415,032.44

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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.