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Finding the Fourth Proportional to 557,596.89, 836,411.73 and 136,872.75

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Solution

The fourth proportional to 557,596.89, 836,411.73 and 136,872.75 is: 205,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,596.89 : 836,411.73 = 136,872.75 : x
  2. Step 2: Convert to fraction form
    557,596.89/836,411.73 = 136,872.75/x
  3. Step 3: Cross multiply
    557,596.89x = 836,411.73 × 136,872.75
  4. Step 4: Simplify right side
    557,596.89x = 114,481,973,617.36
  5. Step 5: Solve for x
    x = 114,481,973,617.36/557,596.89
  6. Step 6: Final answer
    x = 205,313.15

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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.