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Finding the Fourth Proportional to 338,253.08, 507,012.85 and 169,366.26

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Solution

The fourth proportional to 338,253.08, 507,012.85 and 169,366.26 is: 253,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,253.08 : 507,012.85 = 169,366.26 : x
  2. Step 2: Convert to fraction form
    338,253.08/507,012.85 = 169,366.26/x
  3. Step 3: Cross multiply
    338,253.08x = 507,012.85 × 169,366.26
  4. Step 4: Simplify right side
    338,253.08x = 85,870,870,176.44
  5. Step 5: Solve for x
    x = 85,870,870,176.44/338,253.08
  6. Step 6: Final answer
    x = 253,865.75

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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.