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Finding the Fourth Proportional to 338,668.52, 507,647.18 and 113,950.94

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Solution

The fourth proportional to 338,668.52, 507,647.18 and 113,950.94 is: 170,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,668.52 : 507,647.18 = 113,950.94 : x
  2. Step 2: Convert to fraction form
    338,668.52/507,647.18 = 113,950.94/x
  3. Step 3: Cross multiply
    338,668.52x = 507,647.18 × 113,950.94
  4. Step 4: Simplify right side
    338,668.52x = 57,846,871,095.99
  5. Step 5: Solve for x
    x = 57,846,871,095.99/338,668.52
  6. Step 6: Final answer
    x = 170,806.76

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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.