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Finding the Fourth Proportional to 334,956.66, 501,540.39 and 281,812.50

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Solution

The fourth proportional to 334,956.66, 501,540.39 and 281,812.50 is: 421,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,956.66 : 501,540.39 = 281,812.50 : x
  2. Step 2: Convert to fraction form
    334,956.66/501,540.39 = 281,812.50/x
  3. Step 3: Cross multiply
    334,956.66x = 501,540.39 × 281,812.50
  4. Step 4: Simplify right side
    334,956.66x = 141,340,351,156.88
  5. Step 5: Solve for x
    x = 141,340,351,156.88/334,956.66
  6. Step 6: Final answer
    x = 421,966.09

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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.