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Finding the Fourth Proportional to 276,046.40, 414,069.60 and 192,065.60

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Solution

The fourth proportional to 276,046.40, 414,069.60 and 192,065.60 is: 288,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,046.40 : 414,069.60 = 192,065.60 : x
  2. Step 2: Convert to fraction form
    276,046.40/414,069.60 = 192,065.60/x
  3. Step 3: Cross multiply
    276,046.40x = 414,069.60 × 192,065.60
  4. Step 4: Simplify right side
    276,046.40x = 79,528,526,165.76
  5. Step 5: Solve for x
    x = 79,528,526,165.76/276,046.40
  6. Step 6: Final answer
    x = 288,098.40

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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.