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Finding the Fourth Proportional to 338,247.38, 507,412.78 and 110,537.61

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Solution

The fourth proportional to 338,247.38, 507,412.78 and 110,537.61 is: 165,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,247.38 : 507,412.78 = 110,537.61 : x
  2. Step 2: Convert to fraction form
    338,247.38/507,412.78 = 110,537.61/x
  3. Step 3: Cross multiply
    338,247.38x = 507,412.78 × 110,537.61
  4. Step 4: Simplify right side
    338,247.38x = 56,088,195,708.31
  5. Step 5: Solve for x
    x = 56,088,195,708.31/338,247.38
  6. Step 6: Final answer
    x = 165,820.05

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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.