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Finding the Fourth Proportional to 583,143.60, 874,413 and 267,328.56

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Solution

The fourth proportional to 583,143.60, 874,413 and 267,328.56 is: 400,854.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,143.60 : 874,413 = 267,328.56 : x
  2. Step 2: Convert to fraction form
    583,143.60/874,413 = 267,328.56/x
  3. Step 3: Cross multiply
    583,143.60x = 874,413 × 267,328.56
  4. Step 4: Simplify right side
    583,143.60x = 233,755,568,135.28
  5. Step 5: Solve for x
    x = 233,755,568,135.28/583,143.60
  6. Step 6: Final answer
    x = 400,854.21

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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.