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Finding the Fourth Proportional to 503,498.90, 755,258.43 and 187,892.84

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Solution

The fourth proportional to 503,498.90, 755,258.43 and 187,892.84 is: 281,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,498.90 : 755,258.43 = 187,892.84 : x
  2. Step 2: Convert to fraction form
    503,498.90/755,258.43 = 187,892.84/x
  3. Step 3: Cross multiply
    503,498.90x = 755,258.43 × 187,892.84
  4. Step 4: Simplify right side
    503,498.90x = 141,907,651,346.64
  5. Step 5: Solve for x
    x = 141,907,651,346.64/503,498.90
  6. Step 6: Final answer
    x = 281,843.02

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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.