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Finding the Fourth Proportional to 260,197.75, 359,073.50 and 145,480.48

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Solution

The fourth proportional to 260,197.75, 359,073.50 and 145,480.48 is: 200,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,197.75 : 359,073.50 = 145,480.48 : x
  2. Step 2: Convert to fraction form
    260,197.75/359,073.50 = 145,480.48/x
  3. Step 3: Cross multiply
    260,197.75x = 359,073.50 × 145,480.48
  4. Step 4: Simplify right side
    260,197.75x = 52,238,184,407.88
  5. Step 5: Solve for x
    x = 52,238,184,407.88/260,197.75
  6. Step 6: Final answer
    x = 200,763.40

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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.