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Finding the Fourth Proportional to 605,956.32, 836,257.20 and 334,022.88

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Solution

The fourth proportional to 605,956.32, 836,257.20 and 334,022.88 is: 460,972.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,956.32 : 836,257.20 = 334,022.88 : x
  2. Step 2: Convert to fraction form
    605,956.32/836,257.20 = 334,022.88/x
  3. Step 3: Cross multiply
    605,956.32x = 836,257.20 × 334,022.88
  4. Step 4: Simplify right side
    605,956.32x = 279,329,038,364.74
  5. Step 5: Solve for x
    x = 279,329,038,364.74/605,956.32
  6. Step 6: Final answer
    x = 460,972.23

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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.