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Finding the Fourth Proportional to 268,884.40, 403,326.60 and 180,410.80

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Solution

The fourth proportional to 268,884.40, 403,326.60 and 180,410.80 is: 270,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,884.40 : 403,326.60 = 180,410.80 : x
  2. Step 2: Convert to fraction form
    268,884.40/403,326.60 = 180,410.80/x
  3. Step 3: Cross multiply
    268,884.40x = 403,326.60 × 180,410.80
  4. Step 4: Simplify right side
    268,884.40x = 72,764,474,567.28
  5. Step 5: Solve for x
    x = 72,764,474,567.28/268,884.40
  6. Step 6: Final answer
    x = 270,616.20

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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.