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Finding the Fourth Proportional to 439,636.65, 659,110.45 and 173,596.30

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Solution

The fourth proportional to 439,636.65, 659,110.45 and 173,596.30 is: 260,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,636.65 : 659,110.45 = 173,596.30 : x
  2. Step 2: Convert to fraction form
    439,636.65/659,110.45 = 173,596.30/x
  3. Step 3: Cross multiply
    439,636.65x = 659,110.45 × 173,596.30
  4. Step 4: Simplify right side
    439,636.65x = 114,419,135,411.34
  5. Step 5: Solve for x
    x = 114,419,135,411.34/439,636.65
  6. Step 6: Final answer
    x = 260,258.41

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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.