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Finding the Fourth Proportional to 324,184.92, 486,340.42 and 124,490.64

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Solution

The fourth proportional to 324,184.92, 486,340.42 and 124,490.64 is: 186,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,184.92 : 486,340.42 = 124,490.64 : x
  2. Step 2: Convert to fraction form
    324,184.92/486,340.42 = 124,490.64/x
  3. Step 3: Cross multiply
    324,184.92x = 486,340.42 × 124,490.64
  4. Step 4: Simplify right side
    324,184.92x = 60,544,830,143.67
  5. Step 5: Solve for x
    x = 60,544,830,143.67/324,184.92
  6. Step 6: Final answer
    x = 186,760.17

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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.