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Finding the Fourth Proportional to 338,670.38, 507,649.94 and 113,952.80

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Solution

The fourth proportional to 338,670.38, 507,649.94 and 113,952.80 is: 170,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,670.38 : 507,649.94 = 113,952.80 : x
  2. Step 2: Convert to fraction form
    338,670.38/507,649.94 = 113,952.80/x
  3. Step 3: Cross multiply
    338,670.38x = 507,649.94 × 113,952.80
  4. Step 4: Simplify right side
    338,670.38x = 57,848,133,209.52
  5. Step 5: Solve for x
    x = 57,848,133,209.52/338,670.38
  6. Step 6: Final answer
    x = 170,809.54

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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.