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Finding the Fourth Proportional to 392,095.88, 587,906.59 and 175,915.02

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Solution

The fourth proportional to 392,095.88, 587,906.59 and 175,915.02 is: 263,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,095.88 : 587,906.59 = 175,915.02 : x
  2. Step 2: Convert to fraction form
    392,095.88/587,906.59 = 175,915.02/x
  3. Step 3: Cross multiply
    392,095.88x = 587,906.59 × 175,915.02
  4. Step 4: Simplify right side
    392,095.88x = 103,421,599,537.98
  5. Step 5: Solve for x
    x = 103,421,599,537.98/392,095.88
  6. Step 6: Final answer
    x = 263,766.10

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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.