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Finding the Fourth Proportional to 264,343.22, 395,912.94 and 207,059.51

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Solution

The fourth proportional to 264,343.22, 395,912.94 and 207,059.51 is: 310,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,343.22 : 395,912.94 = 207,059.51 : x
  2. Step 2: Convert to fraction form
    264,343.22/395,912.94 = 207,059.51/x
  3. Step 3: Cross multiply
    264,343.22x = 395,912.94 × 207,059.51
  4. Step 4: Simplify right side
    264,343.22x = 81,977,537,379.49
  5. Step 5: Solve for x
    x = 81,977,537,379.49/264,343.22
  6. Step 6: Final answer
    x = 310,117.80

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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.