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Finding the Fourth Proportional to 591,912.24, 816,842.04 and 323,640.24

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Solution

The fourth proportional to 591,912.24, 816,842.04 and 323,640.24 is: 446,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,912.24 : 816,842.04 = 323,640.24 : x
  2. Step 2: Convert to fraction form
    591,912.24/816,842.04 = 323,640.24/x
  3. Step 3: Cross multiply
    591,912.24x = 816,842.04 × 323,640.24
  4. Step 4: Simplify right side
    591,912.24x = 264,362,953,867.69
  5. Step 5: Solve for x
    x = 264,362,953,867.69/591,912.24
  6. Step 6: Final answer
    x = 446,625.25

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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.