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Finding the Fourth Proportional to 414,896.65, 621,360.83 and 414,896.65

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Solution

The fourth proportional to 414,896.65, 621,360.83 and 414,896.65 is: 621,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,896.65 : 621,360.83 = 414,896.65 : x
  2. Step 2: Convert to fraction form
    414,896.65/621,360.83 = 414,896.65/x
  3. Step 3: Cross multiply
    414,896.65x = 621,360.83 × 414,896.65
  4. Step 4: Simplify right side
    414,896.65x = 257,800,524,733.74
  5. Step 5: Solve for x
    x = 257,800,524,733.74/414,896.65
  6. Step 6: Final answer
    x = 621,360.83

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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.