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Finding the Fourth Proportional to 260,724.80, 365,539.60 and 260,724.80

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Solution

The fourth proportional to 260,724.80, 365,539.60 and 260,724.80 is: 365,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,724.80 : 365,539.60 = 260,724.80 : x
  2. Step 2: Convert to fraction form
    260,724.80/365,539.60 = 260,724.80/x
  3. Step 3: Cross multiply
    260,724.80x = 365,539.60 × 260,724.80
  4. Step 4: Simplify right side
    260,724.80x = 95,305,239,102.08
  5. Step 5: Solve for x
    x = 95,305,239,102.08/260,724.80
  6. Step 6: Final answer
    x = 365,539.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.