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Finding the Fourth Proportional to 297,716.40, 446,574.60 and 179,618.40

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Solution

The fourth proportional to 297,716.40, 446,574.60 and 179,618.40 is: 269,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,716.40 : 446,574.60 = 179,618.40 : x
  2. Step 2: Convert to fraction form
    297,716.40/446,574.60 = 179,618.40/x
  3. Step 3: Cross multiply
    297,716.40x = 446,574.60 × 179,618.40
  4. Step 4: Simplify right side
    297,716.40x = 80,213,015,132.64
  5. Step 5: Solve for x
    x = 80,213,015,132.64/297,716.40
  6. Step 6: Final answer
    x = 269,427.60

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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.