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Finding the Fourth Proportional to 314,713.44, 434,469.08 and 245,654.80

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Solution

The fourth proportional to 314,713.44, 434,469.08 and 245,654.80 is: 339,132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,713.44 : 434,469.08 = 245,654.80 : x
  2. Step 2: Convert to fraction form
    314,713.44/434,469.08 = 245,654.80/x
  3. Step 3: Cross multiply
    314,713.44x = 434,469.08 × 245,654.80
  4. Step 4: Simplify right side
    314,713.44x = 106,729,414,953.58
  5. Step 5: Solve for x
    x = 106,729,414,953.58/314,713.44
  6. Step 6: Final answer
    x = 339,132.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.