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Finding the Fourth Proportional to 483,448.28, 666,943.98 and 322,145.96

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Solution

The fourth proportional to 483,448.28, 666,943.98 and 322,145.96 is: 444,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,448.28 : 666,943.98 = 322,145.96 : x
  2. Step 2: Convert to fraction form
    483,448.28/666,943.98 = 322,145.96/x
  3. Step 3: Cross multiply
    483,448.28x = 666,943.98 × 322,145.96
  4. Step 4: Simplify right side
    483,448.28x = 214,853,308,703.32
  5. Step 5: Solve for x
    x = 214,853,308,703.32/483,448.28
  6. Step 6: Final answer
    x = 444,418.40

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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.