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Finding the Fourth Proportional to 324,646.02, 486,993.51 and 96,923.61

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Solution

The fourth proportional to 324,646.02, 486,993.51 and 96,923.61 is: 145,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,646.02 : 486,993.51 = 96,923.61 : x
  2. Step 2: Convert to fraction form
    324,646.02/486,993.51 = 96,923.61/x
  3. Step 3: Cross multiply
    324,646.02x = 486,993.51 × 96,923.61
  4. Step 4: Simplify right side
    324,646.02x = 47,201,169,035.77
  5. Step 5: Solve for x
    x = 47,201,169,035.77/324,646.02
  6. Step 6: Final answer
    x = 145,392.72

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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.