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Finding the Fourth Proportional to 414,467.60, 621,701.40 and 414,467.60

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Solution

The fourth proportional to 414,467.60, 621,701.40 and 414,467.60 is: 621,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,467.60 : 621,701.40 = 414,467.60 : x
  2. Step 2: Convert to fraction form
    414,467.60/621,701.40 = 414,467.60/x
  3. Step 3: Cross multiply
    414,467.60x = 621,701.40 × 414,467.60
  4. Step 4: Simplify right side
    414,467.60x = 257,675,087,174.64
  5. Step 5: Solve for x
    x = 257,675,087,174.64/414,467.60
  6. Step 6: Final answer
    x = 621,701.40

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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.