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Finding the Fourth Proportional to 414,250.80, 620,501.40 and 414,250.80

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Solution

The fourth proportional to 414,250.80, 620,501.40 and 414,250.80 is: 620,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,250.80 : 620,501.40 = 414,250.80 : x
  2. Step 2: Convert to fraction form
    414,250.80/620,501.40 = 414,250.80/x
  3. Step 3: Cross multiply
    414,250.80x = 620,501.40 × 414,250.80
  4. Step 4: Simplify right side
    414,250.80x = 257,043,201,351.12
  5. Step 5: Solve for x
    x = 257,043,201,351.12/414,250.80
  6. Step 6: Final answer
    x = 620,501.40

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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.