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Finding the Fourth Proportional to 580,711.83, 801,360.08 and 322,605.03

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Solution

The fourth proportional to 580,711.83, 801,360.08 and 322,605.03 is: 445,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,711.83 : 801,360.08 = 322,605.03 : x
  2. Step 2: Convert to fraction form
    580,711.83/801,360.08 = 322,605.03/x
  3. Step 3: Cross multiply
    580,711.83x = 801,360.08 × 322,605.03
  4. Step 4: Simplify right side
    580,711.83x = 258,522,792,558.05
  5. Step 5: Solve for x
    x = 258,522,792,558.05/580,711.83
  6. Step 6: Final answer
    x = 445,182.58

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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.