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Finding the Fourth Proportional to 449,054.61, 673,924.56 and 165,014.34

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Solution

The fourth proportional to 449,054.61, 673,924.56 and 165,014.34 is: 247,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,054.61 : 673,924.56 = 165,014.34 : x
  2. Step 2: Convert to fraction form
    449,054.61/673,924.56 = 165,014.34/x
  3. Step 3: Cross multiply
    449,054.61x = 673,924.56 × 165,014.34
  4. Step 4: Simplify right side
    449,054.61x = 111,207,216,478.19
  5. Step 5: Solve for x
    x = 111,207,216,478.19/449,054.61
  6. Step 6: Final answer
    x = 247,647.42

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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.