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Finding the Fourth Proportional to 365,618.30, 548,205.96 and 239,105.84

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Solution

The fourth proportional to 365,618.30, 548,205.96 and 239,105.84 is: 358,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,618.30 : 548,205.96 = 239,105.84 : x
  2. Step 2: Convert to fraction form
    365,618.30/548,205.96 = 239,105.84/x
  3. Step 3: Cross multiply
    365,618.30x = 548,205.96 × 239,105.84
  4. Step 4: Simplify right side
    365,618.30x = 131,079,246,558.81
  5. Step 5: Solve for x
    x = 131,079,246,558.81/365,618.30
  6. Step 6: Final answer
    x = 358,513.91

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1.5x scale

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.