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Finding the Fourth Proportional to 365,619.80, 548,208.21 and 239,107.34

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Solution

The fourth proportional to 365,619.80, 548,208.21 and 239,107.34 is: 358,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,619.80 : 548,208.21 = 239,107.34 : x
  2. Step 2: Convert to fraction form
    365,619.80/548,208.21 = 239,107.34/x
  3. Step 3: Cross multiply
    365,619.80x = 548,208.21 × 239,107.34
  4. Step 4: Simplify right side
    365,619.80x = 131,080,606,859.26
  5. Step 5: Solve for x
    x = 131,080,606,859.26/365,619.80
  6. Step 6: Final answer
    x = 358,516.16

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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.