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Finding the Fourth Proportional to 335,915.54, 503,192.91 and 155,747.24

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Solution

The fourth proportional to 335,915.54, 503,192.91 and 155,747.24 is: 233,305.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,915.54 : 503,192.91 = 155,747.24 : x
  2. Step 2: Convert to fraction form
    335,915.54/503,192.91 = 155,747.24/x
  3. Step 3: Cross multiply
    335,915.54x = 503,192.91 × 155,747.24
  4. Step 4: Simplify right side
    335,915.54x = 78,370,906,920.07
  5. Step 5: Solve for x
    x = 78,370,906,920.07/335,915.54
  6. Step 6: Final answer
    x = 233,305.39

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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.