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Finding the Fourth Proportional to 260,763.50, 359,791.93 and 147,586.25

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Solution

The fourth proportional to 260,763.50, 359,791.93 and 147,586.25 is: 203,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,763.50 : 359,791.93 = 147,586.25 : x
  2. Step 2: Convert to fraction form
    260,763.50/359,791.93 = 147,586.25/x
  3. Step 3: Cross multiply
    260,763.50x = 359,791.93 × 147,586.25
  4. Step 4: Simplify right side
    260,763.50x = 53,100,341,728.96
  5. Step 5: Solve for x
    x = 53,100,341,728.96/260,763.50
  6. Step 6: Final answer
    x = 203,634.10

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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.