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Finding the Fourth Proportional to 216,334.99, 324,502.73 and 56,410.79

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Solution

The fourth proportional to 216,334.99, 324,502.73 and 56,410.79 is: 84,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,334.99 : 324,502.73 = 56,410.79 : x
  2. Step 2: Convert to fraction form
    216,334.99/324,502.73 = 56,410.79/x
  3. Step 3: Cross multiply
    216,334.99x = 324,502.73 × 56,410.79
  4. Step 4: Simplify right side
    216,334.99x = 18,305,453,663.43
  5. Step 5: Solve for x
    x = 18,305,453,663.43/216,334.99
  6. Step 6: Final answer
    x = 84,616.24

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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.