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Finding the Fourth Proportional to 450,391.48, 621,514.22 and 246,446.37

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Solution

The fourth proportional to 450,391.48, 621,514.22 and 246,446.37 is: 340,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,391.48 : 621,514.22 = 246,446.37 : x
  2. Step 2: Convert to fraction form
    450,391.48/621,514.22 = 246,446.37/x
  3. Step 3: Cross multiply
    450,391.48x = 621,514.22 × 246,446.37
  4. Step 4: Simplify right side
    450,391.48x = 153,169,922,190.15
  5. Step 5: Solve for x
    x = 153,169,922,190.15/450,391.48
  6. Step 6: Final answer
    x = 340,081.75

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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.