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Finding the Fourth Proportional to 260,351.79, 359,274.42 and 151,456.40

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Solution

The fourth proportional to 260,351.79, 359,274.42 and 151,456.40 is: 209,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,351.79 : 359,274.42 = 151,456.40 : x
  2. Step 2: Convert to fraction form
    260,351.79/359,274.42 = 151,456.40/x
  3. Step 3: Cross multiply
    260,351.79x = 359,274.42 × 151,456.40
  4. Step 4: Simplify right side
    260,351.79x = 54,414,408,468.92
  5. Step 5: Solve for x
    x = 54,414,408,468.92/260,351.79
  6. Step 6: Final answer
    x = 209,003.40

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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.