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Finding the Fourth Proportional to 248,370.40, 372,555.60 and 222,709.60

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Solution

The fourth proportional to 248,370.40, 372,555.60 and 222,709.60 is: 334,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,370.40 : 372,555.60 = 222,709.60 : x
  2. Step 2: Convert to fraction form
    248,370.40/372,555.60 = 222,709.60/x
  3. Step 3: Cross multiply
    248,370.40x = 372,555.60 × 222,709.60
  4. Step 4: Simplify right side
    248,370.40x = 82,971,708,653.76
  5. Step 5: Solve for x
    x = 82,971,708,653.76/248,370.40
  6. Step 6: Final answer
    x = 334,064.40

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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.