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Finding the Fourth Proportional to 583,906.80, 875,255.40 and 317,103.60

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Solution

The fourth proportional to 583,906.80, 875,255.40 and 317,103.60 is: 475,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,906.80 : 875,255.40 = 317,103.60 : x
  2. Step 2: Convert to fraction form
    583,906.80/875,255.40 = 317,103.60/x
  3. Step 3: Cross multiply
    583,906.80x = 875,255.40 × 317,103.60
  4. Step 4: Simplify right side
    583,906.80x = 277,546,638,259.44
  5. Step 5: Solve for x
    x = 277,546,638,259.44/583,906.80
  6. Step 6: Final answer
    x = 475,326.95

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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.