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Finding the Fourth Proportional to 662,173.20, 993,268.80 and 188,858.52

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Solution

The fourth proportional to 662,173.20, 993,268.80 and 188,858.52 is: 283,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,173.20 : 993,268.80 = 188,858.52 : x
  2. Step 2: Convert to fraction form
    662,173.20/993,268.80 = 188,858.52/x
  3. Step 3: Cross multiply
    662,173.20x = 993,268.80 × 188,858.52
  4. Step 4: Simplify right side
    662,173.20x = 187,587,275,530.18
  5. Step 5: Solve for x
    x = 187,587,275,530.18/662,173.20
  6. Step 6: Final answer
    x = 283,290.35

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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.