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Finding the Fourth Proportional to 633,272.40, 949,908.60 and 259,563.60

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Solution

The fourth proportional to 633,272.40, 949,908.60 and 259,563.60 is: 389,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,272.40 : 949,908.60 = 259,563.60 : x
  2. Step 2: Convert to fraction form
    633,272.40/949,908.60 = 259,563.60/x
  3. Step 3: Cross multiply
    633,272.40x = 949,908.60 × 259,563.60
  4. Step 4: Simplify right side
    633,272.40x = 246,561,695,886.96
  5. Step 5: Solve for x
    x = 246,561,695,886.96/633,272.40
  6. Step 6: Final answer
    x = 389,345.40

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Similar ratio
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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.