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Finding the Fourth Proportional to 276,601.65, 414,902.48 and 190,980.60

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Solution

The fourth proportional to 276,601.65, 414,902.48 and 190,980.60 is: 286,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,601.65 : 414,902.48 = 190,980.60 : x
  2. Step 2: Convert to fraction form
    276,601.65/414,902.48 = 190,980.60/x
  3. Step 3: Cross multiply
    276,601.65x = 414,902.48 × 190,980.60
  4. Step 4: Simplify right side
    276,601.65x = 79,238,323,616.99
  5. Step 5: Solve for x
    x = 79,238,323,616.99/276,601.65
  6. Step 6: Final answer
    x = 286,470.90

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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.