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Finding the Fourth Proportional to 450,662.76, 621,914.56 and 246,713.05

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Solution

The fourth proportional to 450,662.76, 621,914.56 and 246,713.05 is: 340,463.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,662.76 : 621,914.56 = 246,713.05 : x
  2. Step 2: Convert to fraction form
    450,662.76/621,914.56 = 246,713.05/x
  3. Step 3: Cross multiply
    450,662.76x = 621,914.56 × 246,713.05
  4. Step 4: Simplify right side
    450,662.76x = 153,434,433,593.87
  5. Step 5: Solve for x
    x = 153,434,433,593.87/450,662.76
  6. Step 6: Final answer
    x = 340,463.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.