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Finding the Fourth Proportional to 323,036.70, 484,721.82 and 154,522.90

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Solution

The fourth proportional to 323,036.70, 484,721.82 and 154,522.90 is: 231,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,036.70 : 484,721.82 = 154,522.90 : x
  2. Step 2: Convert to fraction form
    323,036.70/484,721.82 = 154,522.90/x
  3. Step 3: Cross multiply
    323,036.70x = 484,721.82 × 154,522.90
  4. Step 4: Simplify right side
    323,036.70x = 74,900,621,319.68
  5. Step 5: Solve for x
    x = 74,900,621,319.68/323,036.70
  6. Step 6: Final answer
    x = 231,864.12

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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.