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Finding the Fourth Proportional to 583,072.05, 874,862.19 and 204,264.51

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Solution

The fourth proportional to 583,072.05, 874,862.19 and 204,264.51 is: 306,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,072.05 : 874,862.19 = 204,264.51 : x
  2. Step 2: Convert to fraction form
    583,072.05/874,862.19 = 204,264.51/x
  3. Step 3: Cross multiply
    583,072.05x = 874,862.19 × 204,264.51
  4. Step 4: Simplify right side
    583,072.05x = 178,703,292,183.57
  5. Step 5: Solve for x
    x = 178,703,292,183.57/583,072.05
  6. Step 6: Final answer
    x = 306,485.78

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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.