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Finding the Fourth Proportional to 260,679.62, 359,654.27 and 145,941.39

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Solution

The fourth proportional to 260,679.62, 359,654.27 and 145,941.39 is: 201,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,679.62 : 359,654.27 = 145,941.39 : x
  2. Step 2: Convert to fraction form
    260,679.62/359,654.27 = 145,941.39/x
  3. Step 3: Cross multiply
    260,679.62x = 359,654.27 × 145,941.39
  4. Step 4: Simplify right side
    260,679.62x = 52,488,444,083.24
  5. Step 5: Solve for x
    x = 52,488,444,083.24/260,679.62
  6. Step 6: Final answer
    x = 201,352.31

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1.5x scale

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.