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Finding the Fourth Proportional to 268,950.40, 403,425.60 and 180,246.40

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Solution

The fourth proportional to 268,950.40, 403,425.60 and 180,246.40 is: 270,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,950.40 : 403,425.60 = 180,246.40 : x
  2. Step 2: Convert to fraction form
    268,950.40/403,425.60 = 180,246.40/x
  3. Step 3: Cross multiply
    268,950.40x = 403,425.60 × 180,246.40
  4. Step 4: Simplify right side
    268,950.40x = 72,716,012,067.84
  5. Step 5: Solve for x
    x = 72,716,012,067.84/268,950.40
  6. Step 6: Final answer
    x = 270,369.60

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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.