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Finding the Fourth Proportional to 536,440.68, 804,661.62 and 137,081.79

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Solution

The fourth proportional to 536,440.68, 804,661.62 and 137,081.79 is: 205,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,440.68 : 804,661.62 = 137,081.79 : x
  2. Step 2: Convert to fraction form
    536,440.68/804,661.62 = 137,081.79/x
  3. Step 3: Cross multiply
    536,440.68x = 804,661.62 × 137,081.79
  4. Step 4: Simplify right side
    536,440.68x = 110,304,455,213.90
  5. Step 5: Solve for x
    x = 110,304,455,213.90/536,440.68
  6. Step 6: Final answer
    x = 205,622.84

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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.