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Finding the Fourth Proportional to 336,872.49, 505,240.41 and 123,567.80

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Solution

The fourth proportional to 336,872.49, 505,240.41 and 123,567.80 is: 185,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,872.49 : 505,240.41 = 123,567.80 : x
  2. Step 2: Convert to fraction form
    336,872.49/505,240.41 = 123,567.80/x
  3. Step 3: Cross multiply
    336,872.49x = 505,240.41 × 123,567.80
  4. Step 4: Simplify right side
    336,872.49x = 62,431,445,934.80
  5. Step 5: Solve for x
    x = 62,431,445,934.80/336,872.49
  6. Step 6: Final answer
    x = 185,326.64

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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.