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Finding the Fourth Proportional to 324,625.20, 486,937.80 and 184,657.20

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Solution

The fourth proportional to 324,625.20, 486,937.80 and 184,657.20 is: 276,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,625.20 : 486,937.80 = 184,657.20 : x
  2. Step 2: Convert to fraction form
    324,625.20/486,937.80 = 184,657.20/x
  3. Step 3: Cross multiply
    324,625.20x = 486,937.80 × 184,657.20
  4. Step 4: Simplify right side
    324,625.20x = 89,916,570,722.16
  5. Step 5: Solve for x
    x = 89,916,570,722.16/324,625.20
  6. Step 6: Final answer
    x = 276,985.80

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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.