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Finding the Fourth Proportional to 496,601.20, 744,901.80 and 122,624.20

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Solution

The fourth proportional to 496,601.20, 744,901.80 and 122,624.20 is: 183,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,601.20 : 744,901.80 = 122,624.20 : x
  2. Step 2: Convert to fraction form
    496,601.20/744,901.80 = 122,624.20/x
  3. Step 3: Cross multiply
    496,601.20x = 744,901.80 × 122,624.20
  4. Step 4: Simplify right side
    496,601.20x = 91,342,987,303.56
  5. Step 5: Solve for x
    x = 91,342,987,303.56/496,601.20
  6. Step 6: Final answer
    x = 183,936.30

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Similar ratio
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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.