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Finding the Fourth Proportional to 248,859.20, 373,288.80 and 227,086.40

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Solution

The fourth proportional to 248,859.20, 373,288.80 and 227,086.40 is: 340,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,859.20 : 373,288.80 = 227,086.40 : x
  2. Step 2: Convert to fraction form
    248,859.20/373,288.80 = 227,086.40/x
  3. Step 3: Cross multiply
    248,859.20x = 373,288.80 × 227,086.40
  4. Step 4: Simplify right side
    248,859.20x = 84,768,809,752.32
  5. Step 5: Solve for x
    x = 84,768,809,752.32/248,859.20
  6. Step 6: Final answer
    x = 340,629.60

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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.