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Finding the Fourth Proportional to 260,679.44, 359,727.66 and 145,947.35

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Solution

The fourth proportional to 260,679.44, 359,727.66 and 145,947.35 is: 201,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,679.44 : 359,727.66 = 145,947.35 : x
  2. Step 2: Convert to fraction form
    260,679.44/359,727.66 = 145,947.35/x
  3. Step 3: Cross multiply
    260,679.44x = 359,727.66 × 145,947.35
  4. Step 4: Simplify right side
    260,679.44x = 52,501,298,522.69
  5. Step 5: Solve for x
    x = 52,501,298,522.69/260,679.44
  6. Step 6: Final answer
    x = 201,401.76

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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.