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Finding the Fourth Proportional to 424,213.29, 585,399.29 and 233,225.19

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Solution

The fourth proportional to 424,213.29, 585,399.29 and 233,225.19 is: 321,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,213.29 : 585,399.29 = 233,225.19 : x
  2. Step 2: Convert to fraction form
    424,213.29/585,399.29 = 233,225.19/x
  3. Step 3: Cross multiply
    424,213.29x = 585,399.29 × 233,225.19
  4. Step 4: Simplify right side
    424,213.29x = 136,529,859,469.99
  5. Step 5: Solve for x
    x = 136,529,859,469.99/424,213.29
  6. Step 6: Final answer
    x = 321,842.49

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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.