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Finding the Fourth Proportional to 329,263.59, 493,127.49 and 279,166.71

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Solution

The fourth proportional to 329,263.59, 493,127.49 and 279,166.71 is: 418,099.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,263.59 : 493,127.49 = 279,166.71 : x
  2. Step 2: Convert to fraction form
    329,263.59/493,127.49 = 279,166.71/x
  3. Step 3: Cross multiply
    329,263.59x = 493,127.49 × 279,166.71
  4. Step 4: Simplify right side
    329,263.59x = 137,664,778,993.86
  5. Step 5: Solve for x
    x = 137,664,778,993.86/329,263.59
  6. Step 6: Final answer
    x = 418,099.00

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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.