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Finding the Fourth Proportional to 329,577.60, 494,585.10 and 187,422.60

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Solution

The fourth proportional to 329,577.60, 494,585.10 and 187,422.60 is: 281,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,577.60 : 494,585.10 = 187,422.60 : x
  2. Step 2: Convert to fraction form
    329,577.60/494,585.10 = 187,422.60/x
  3. Step 3: Cross multiply
    329,577.60x = 494,585.10 × 187,422.60
  4. Step 4: Simplify right side
    329,577.60x = 92,696,425,363.26
  5. Step 5: Solve for x
    x = 92,696,425,363.26/329,577.60
  6. Step 6: Final answer
    x = 281,258.27

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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.