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Finding the Fourth Proportional to 329,346.74, 454,492.53 and 186,103.70

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Solution

The fourth proportional to 329,346.74, 454,492.53 and 186,103.70 is: 256,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,346.74 : 454,492.53 = 186,103.70 : x
  2. Step 2: Convert to fraction form
    329,346.74/454,492.53 = 186,103.70/x
  3. Step 3: Cross multiply
    329,346.74x = 454,492.53 × 186,103.70
  4. Step 4: Simplify right side
    329,346.74x = 84,582,741,455.36
  5. Step 5: Solve for x
    x = 84,582,741,455.36/329,346.74
  6. Step 6: Final answer
    x = 256,819.73

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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.