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Finding the Fourth Proportional to 303,364.24, 455,046.36 and 284,665.39

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Solution

The fourth proportional to 303,364.24, 455,046.36 and 284,665.39 is: 426,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,364.24 : 455,046.36 = 284,665.39 : x
  2. Step 2: Convert to fraction form
    303,364.24/455,046.36 = 284,665.39/x
  3. Step 3: Cross multiply
    303,364.24x = 455,046.36 × 284,665.39
  4. Step 4: Simplify right side
    303,364.24x = 129,535,947,332.37
  5. Step 5: Solve for x
    x = 129,535,947,332.37/303,364.24
  6. Step 6: Final answer
    x = 426,998.08

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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.