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Finding the Fourth Proportional to 436,603.75, 654,126.46 and 236,796.68

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Solution

The fourth proportional to 436,603.75, 654,126.46 and 236,796.68 is: 354,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,603.75 : 654,126.46 = 236,796.68 : x
  2. Step 2: Convert to fraction form
    436,603.75/654,126.46 = 236,796.68/x
  3. Step 3: Cross multiply
    436,603.75x = 654,126.46 × 236,796.68
  4. Step 4: Simplify right side
    436,603.75x = 154,894,975,071.48
  5. Step 5: Solve for x
    x = 154,894,975,071.48/436,603.75
  6. Step 6: Final answer
    x = 354,772.44

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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.