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Finding the Fourth Proportional to 338,883.53, 508,297.73 and 114,239.16

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Solution

The fourth proportional to 338,883.53, 508,297.73 and 114,239.16 is: 171,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,883.53 : 508,297.73 = 114,239.16 : x
  2. Step 2: Convert to fraction form
    338,883.53/508,297.73 = 114,239.16/x
  3. Step 3: Cross multiply
    338,883.53x = 508,297.73 × 114,239.16
  4. Step 4: Simplify right side
    338,883.53x = 58,067,505,133.91
  5. Step 5: Solve for x
    x = 58,067,505,133.91/338,883.53
  6. Step 6: Final answer
    x = 171,349.45

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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.