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Finding the Fourth Proportional to 276,594.40, 414,891.60 and 89,624.80

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Solution

The fourth proportional to 276,594.40, 414,891.60 and 89,624.80 is: 134,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,594.40 : 414,891.60 = 89,624.80 : x
  2. Step 2: Convert to fraction form
    276,594.40/414,891.60 = 89,624.80/x
  3. Step 3: Cross multiply
    276,594.40x = 414,891.60 × 89,624.80
  4. Step 4: Simplify right side
    276,594.40x = 37,184,576,671.68
  5. Step 5: Solve for x
    x = 37,184,576,671.68/276,594.40
  6. Step 6: Final answer
    x = 134,437.20

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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.