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Finding the Fourth Proportional to 338,471.19, 507,575.57 and 180,613.53

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Solution

The fourth proportional to 338,471.19, 507,575.57 and 180,613.53 is: 270,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,471.19 : 507,575.57 = 180,613.53 : x
  2. Step 2: Convert to fraction form
    338,471.19/507,575.57 = 180,613.53/x
  3. Step 3: Cross multiply
    338,471.19x = 507,575.57 × 180,613.53
  4. Step 4: Simplify right side
    338,471.19x = 91,675,014,536.39
  5. Step 5: Solve for x
    x = 91,675,014,536.39/338,471.19
  6. Step 6: Final answer
    x = 270,850.27

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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.