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Finding the Fourth Proportional to 446,520.90, 616,188.09 and 255,522.06

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Solution

The fourth proportional to 446,520.90, 616,188.09 and 255,522.06 is: 352,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,520.90 : 616,188.09 = 255,522.06 : x
  2. Step 2: Convert to fraction form
    446,520.90/616,188.09 = 255,522.06/x
  3. Step 3: Cross multiply
    446,520.90x = 616,188.09 × 255,522.06
  4. Step 4: Simplify right side
    446,520.90x = 157,449,650,104.27
  5. Step 5: Solve for x
    x = 157,449,650,104.27/446,520.90
  6. Step 6: Final answer
    x = 352,614.29

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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.