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Finding the Fourth Proportional to 276,373.62, 414,412.74 and 98,783.73

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Solution

The fourth proportional to 276,373.62, 414,412.74 and 98,783.73 is: 148,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,373.62 : 414,412.74 = 98,783.73 : x
  2. Step 2: Convert to fraction form
    276,373.62/414,412.74 = 98,783.73/x
  3. Step 3: Cross multiply
    276,373.62x = 414,412.74 × 98,783.73
  4. Step 4: Simplify right side
    276,373.62x = 40,937,236,216.72
  5. Step 5: Solve for x
    x = 40,937,236,216.72/276,373.62
  6. Step 6: Final answer
    x = 148,122.81

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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.