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Finding the Fourth Proportional to 691,469.56, 953,593.86 and 473,994.28

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Solution

The fourth proportional to 691,469.56, 953,593.86 and 473,994.28 is: 653,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,469.56 : 953,593.86 = 473,994.28 : x
  2. Step 2: Convert to fraction form
    691,469.56/953,593.86 = 473,994.28/x
  3. Step 3: Cross multiply
    691,469.56x = 953,593.86 × 473,994.28
  4. Step 4: Simplify right side
    691,469.56x = 451,998,035,083.12
  5. Step 5: Solve for x
    x = 451,998,035,083.12/691,469.56
  6. Step 6: Final answer
    x = 653,677.42

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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.