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Finding the Fourth Proportional to 336,683.93, 505,026.48 and 269,642.36

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Solution

The fourth proportional to 336,683.93, 505,026.48 and 269,642.36 is: 404,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,683.93 : 505,026.48 = 269,642.36 : x
  2. Step 2: Convert to fraction form
    336,683.93/505,026.48 = 269,642.36/x
  3. Step 3: Cross multiply
    336,683.93x = 505,026.48 × 269,642.36
  4. Step 4: Simplify right side
    336,683.93x = 136,176,529,404.56
  5. Step 5: Solve for x
    x = 136,176,529,404.56/336,683.93
  6. Step 6: Final answer
    x = 404,464.01

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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.