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Finding the Fourth Proportional to 324,318.49, 486,477.72 and 96,617.55

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Solution

The fourth proportional to 324,318.49, 486,477.72 and 96,617.55 is: 144,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,318.49 : 486,477.72 = 96,617.55 : x
  2. Step 2: Convert to fraction form
    324,318.49/486,477.72 = 96,617.55/x
  3. Step 3: Cross multiply
    324,318.49x = 486,477.72 × 96,617.55
  4. Step 4: Simplify right side
    324,318.49x = 47,002,285,435.99
  5. Step 5: Solve for x
    x = 47,002,285,435.99/324,318.49
  6. Step 6: Final answer
    x = 144,926.32

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1.5x scale

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.