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Finding the Fourth Proportional to 872,616.22, 1,203,217.53 and 614,410.63

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Solution

The fourth proportional to 872,616.22, 1,203,217.53 and 614,410.63 is: 847,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,616.22 : 1,203,217.53 = 614,410.63 : x
  2. Step 2: Convert to fraction form
    872,616.22/1,203,217.53 = 614,410.63/x
  3. Step 3: Cross multiply
    872,616.22x = 1,203,217.53 × 614,410.63
  4. Step 4: Simplify right side
    872,616.22x = 739,269,640,634.34
  5. Step 5: Solve for x
    x = 739,269,640,634.34/872,616.22
  6. Step 6: Final answer
    x = 847,187.60

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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.