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Finding the Fourth Proportional to 323,715.91, 446,814.11 and 191,224.79

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Solution

The fourth proportional to 323,715.91, 446,814.11 and 191,224.79 is: 263,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,715.91 : 446,814.11 = 191,224.79 : x
  2. Step 2: Convert to fraction form
    323,715.91/446,814.11 = 191,224.79/x
  3. Step 3: Cross multiply
    323,715.91x = 446,814.11 × 191,224.79
  4. Step 4: Simplify right side
    323,715.91x = 85,441,931,163.59
  5. Step 5: Solve for x
    x = 85,441,931,163.59/323,715.91
  6. Step 6: Final answer
    x = 263,941.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.