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Finding the Fourth Proportional to 298,689.42, 448,034.13 and 173,942.94

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Solution

The fourth proportional to 298,689.42, 448,034.13 and 173,942.94 is: 260,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,689.42 : 448,034.13 = 173,942.94 : x
  2. Step 2: Convert to fraction form
    298,689.42/448,034.13 = 173,942.94/x
  3. Step 3: Cross multiply
    298,689.42x = 448,034.13 × 173,942.94
  4. Step 4: Simplify right side
    298,689.42x = 77,932,372,237.60
  5. Step 5: Solve for x
    x = 77,932,372,237.60/298,689.42
  6. Step 6: Final answer
    x = 260,914.41

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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.