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Finding the Fourth Proportional to 363,664.07, 543,976.88 and 255,585.87

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Solution

The fourth proportional to 363,664.07, 543,976.88 and 255,585.87 is: 382,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,664.07 : 543,976.88 = 255,585.87 : x
  2. Step 2: Convert to fraction form
    363,664.07/543,976.88 = 255,585.87/x
  3. Step 3: Cross multiply
    363,664.07x = 543,976.88 × 255,585.87
  4. Step 4: Simplify right side
    363,664.07x = 139,032,802,856.76
  5. Step 5: Solve for x
    x = 139,032,802,856.76/363,664.07
  6. Step 6: Final answer
    x = 382,311.08

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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.