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Finding the Fourth Proportional to 353,532, 487,874.24 and 194,556

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Solution

The fourth proportional to 353,532, 487,874.24 and 194,556 is: 268,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,532 : 487,874.24 = 194,556 : x
  2. Step 2: Convert to fraction form
    353,532/487,874.24 = 194,556/x
  3. Step 3: Cross multiply
    353,532x = 487,874.24 × 194,556
  4. Step 4: Simplify right side
    353,532x = 94,918,860,637.44
  5. Step 5: Solve for x
    x = 94,918,860,637.44/353,532
  6. Step 6: Final answer
    x = 268,487.32

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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.