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Finding the Fourth Proportional to 365,529.60, 548,812.80 and 225,561.60

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Solution

The fourth proportional to 365,529.60, 548,812.80 and 225,561.60 is: 338,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,529.60 : 548,812.80 = 225,561.60 : x
  2. Step 2: Convert to fraction form
    365,529.60/548,812.80 = 225,561.60/x
  3. Step 3: Cross multiply
    365,529.60x = 548,812.80 × 225,561.60
  4. Step 4: Simplify right side
    365,529.60x = 123,791,093,268.48
  5. Step 5: Solve for x
    x = 123,791,093,268.48/365,529.60
  6. Step 6: Final answer
    x = 338,662.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.