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Finding the Fourth Proportional to 414,529.60, 621,794.40 and 414,529.60

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Solution

The fourth proportional to 414,529.60, 621,794.40 and 414,529.60 is: 621,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,529.60 : 621,794.40 = 414,529.60 : x
  2. Step 2: Convert to fraction form
    414,529.60/621,794.40 = 414,529.60/x
  3. Step 3: Cross multiply
    414,529.60x = 621,794.40 × 414,529.60
  4. Step 4: Simplify right side
    414,529.60x = 257,752,183,914.24
  5. Step 5: Solve for x
    x = 257,752,183,914.24/414,529.60
  6. Step 6: Final answer
    x = 621,794.40

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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.