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Finding the Fourth Proportional to 572,680.60, 858,802.20 and 173,188.60

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Solution

The fourth proportional to 572,680.60, 858,802.20 and 173,188.60 is: 259,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,680.60 : 858,802.20 = 173,188.60 : x
  2. Step 2: Convert to fraction form
    572,680.60/858,802.20 = 173,188.60/x
  3. Step 3: Cross multiply
    572,680.60x = 858,802.20 × 173,188.60
  4. Step 4: Simplify right side
    572,680.60x = 148,734,750,694.92
  5. Step 5: Solve for x
    x = 148,734,750,694.92/572,680.60
  6. Step 6: Final answer
    x = 259,716.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.