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Finding the Fourth Proportional to 580,820.82, 801,522.30 and 322,698.93

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Solution

The fourth proportional to 580,820.82, 801,522.30 and 322,698.93 is: 445,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,820.82 : 801,522.30 = 322,698.93 : x
  2. Step 2: Convert to fraction form
    580,820.82/801,522.30 = 322,698.93/x
  3. Step 3: Cross multiply
    580,820.82x = 801,522.30 × 322,698.93
  4. Step 4: Simplify right side
    580,820.82x = 258,650,388,581.14
  5. Step 5: Solve for x
    x = 258,650,388,581.14/580,820.82
  6. Step 6: Final answer
    x = 445,318.73

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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.