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Finding the Fourth Proportional to 450,934.05, 622,287.63 and 254,679.03

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Solution

The fourth proportional to 450,934.05, 622,287.63 and 254,679.03 is: 351,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,934.05 : 622,287.63 = 254,679.03 : x
  2. Step 2: Convert to fraction form
    450,934.05/622,287.63 = 254,679.03/x
  3. Step 3: Cross multiply
    450,934.05x = 622,287.63 × 254,679.03
  4. Step 4: Simplify right side
    450,934.05x = 158,483,609,989.40
  5. Step 5: Solve for x
    x = 158,483,609,989.40/450,934.05
  6. Step 6: Final answer
    x = 351,456.29

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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.