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Finding the Fourth Proportional to 431,994.08, 648,280.38 and 179,274.80

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Solution

The fourth proportional to 431,994.08, 648,280.38 and 179,274.80 is: 269,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,994.08 : 648,280.38 = 179,274.80 : x
  2. Step 2: Convert to fraction form
    431,994.08/648,280.38 = 179,274.80/x
  3. Step 3: Cross multiply
    431,994.08x = 648,280.38 × 179,274.80
  4. Step 4: Simplify right side
    431,994.08x = 116,220,335,468.42
  5. Step 5: Solve for x
    x = 116,220,335,468.42/431,994.08
  6. Step 6: Final answer
    x = 269,032.24

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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.