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Finding the Fourth Proportional to 616,794.80, 851,410.88 and 552,147.60

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Solution

The fourth proportional to 616,794.80, 851,410.88 and 552,147.60 is: 762,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,794.80 : 851,410.88 = 552,147.60 : x
  2. Step 2: Convert to fraction form
    616,794.80/851,410.88 = 552,147.60/x
  3. Step 3: Cross multiply
    616,794.80x = 851,410.88 × 552,147.60
  4. Step 4: Simplify right side
    616,794.80x = 470,104,471,245.15
  5. Step 5: Solve for x
    x = 470,104,471,245.15/616,794.80
  6. Step 6: Final answer
    x = 762,173.21

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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.