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Finding the Fourth Proportional to 389,029.44, 583,576.80 and 108,550.08

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Solution

The fourth proportional to 389,029.44, 583,576.80 and 108,550.08 is: 162,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,029.44 : 583,576.80 = 108,550.08 : x
  2. Step 2: Convert to fraction form
    389,029.44/583,576.80 = 108,550.08/x
  3. Step 3: Cross multiply
    389,029.44x = 583,576.80 × 108,550.08
  4. Step 4: Simplify right side
    389,029.44x = 63,347,308,326.14
  5. Step 5: Solve for x
    x = 63,347,308,326.14/389,029.44
  6. Step 6: Final answer
    x = 162,834.23

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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.