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Finding the Fourth Proportional to 260,266.43, 359,168.64 and 151,396.89

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Solution

The fourth proportional to 260,266.43, 359,168.64 and 151,396.89 is: 208,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,266.43 : 359,168.64 = 151,396.89 : x
  2. Step 2: Convert to fraction form
    260,266.43/359,168.64 = 151,396.89/x
  3. Step 3: Cross multiply
    260,266.43x = 359,168.64 × 151,396.89
  4. Step 4: Simplify right side
    260,266.43x = 54,377,015,081.53
  5. Step 5: Solve for x
    x = 54,377,015,081.53/260,266.43
  6. Step 6: Final answer
    x = 208,928.27

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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.