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Finding the Fourth Proportional to 424,039.87, 585,179.94 and 233,053.57

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Solution

The fourth proportional to 424,039.87, 585,179.94 and 233,053.57 is: 321,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,039.87 : 585,179.94 = 233,053.57 : x
  2. Step 2: Convert to fraction form
    424,039.87/585,179.94 = 233,053.57/x
  3. Step 3: Cross multiply
    424,039.87x = 585,179.94 × 233,053.57
  4. Step 4: Simplify right side
    424,039.87x = 136,378,274,109.39
  5. Step 5: Solve for x
    x = 136,378,274,109.39/424,039.87
  6. Step 6: Final answer
    x = 321,616.63

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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.