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Finding the Fourth Proportional to 599,133.39, 826,424.42 and 455,578.71

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Solution

The fourth proportional to 599,133.39, 826,424.42 and 455,578.71 is: 628,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,133.39 : 826,424.42 = 455,578.71 : x
  2. Step 2: Convert to fraction form
    599,133.39/826,424.42 = 455,578.71/x
  3. Step 3: Cross multiply
    599,133.39x = 826,424.42 × 455,578.71
  4. Step 4: Simplify right side
    599,133.39x = 376,501,368,898.21
  5. Step 5: Solve for x
    x = 376,501,368,898.21/599,133.39
  6. Step 6: Final answer
    x = 628,409.93

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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.