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Finding the Fourth Proportional to 366,321.84, 505,529.19 and 238,924.32

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Solution

The fourth proportional to 366,321.84, 505,529.19 and 238,924.32 is: 329,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,321.84 : 505,529.19 = 238,924.32 : x
  2. Step 2: Convert to fraction form
    366,321.84/505,529.19 = 238,924.32/x
  3. Step 3: Cross multiply
    366,321.84x = 505,529.19 × 238,924.32
  4. Step 4: Simplify right side
    366,321.84x = 120,783,217,960.90
  5. Step 5: Solve for x
    x = 120,783,217,960.90/366,321.84
  6. Step 6: Final answer
    x = 329,718.86

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1.5x scale

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.