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Finding the Fourth Proportional to 353,522.58, 487,871.43 and 192,388.02

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Solution

The fourth proportional to 353,522.58, 487,871.43 and 192,388.02 is: 265,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,522.58 : 487,871.43 = 192,388.02 : x
  2. Step 2: Convert to fraction form
    353,522.58/487,871.43 = 192,388.02/x
  3. Step 3: Cross multiply
    353,522.58x = 487,871.43 × 192,388.02
  4. Step 4: Simplify right side
    353,522.58x = 93,860,618,432.27
  5. Step 5: Solve for x
    x = 93,860,618,432.27/353,522.58
  6. Step 6: Final answer
    x = 265,501.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.