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Finding the Fourth Proportional to 357,696.47, 536,561.11 and 252,982.91

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Solution

The fourth proportional to 357,696.47, 536,561.11 and 252,982.91 is: 379,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,696.47 : 536,561.11 = 252,982.91 : x
  2. Step 2: Convert to fraction form
    357,696.47/536,561.11 = 252,982.91/x
  3. Step 3: Cross multiply
    357,696.47x = 536,561.11 × 252,982.91
  4. Step 4: Simplify right side
    357,696.47x = 135,740,792,658.26
  5. Step 5: Solve for x
    x = 135,740,792,658.26/357,696.47
  6. Step 6: Final answer
    x = 379,485.97

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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.