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Finding the Fourth Proportional to 446,663.60, 616,449.04 and 255,738.32

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Solution

The fourth proportional to 446,663.60, 616,449.04 and 255,738.32 is: 352,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,663.60 : 616,449.04 = 255,738.32 : x
  2. Step 2: Convert to fraction form
    446,663.60/616,449.04 = 255,738.32/x
  3. Step 3: Cross multiply
    446,663.60x = 616,449.04 × 255,738.32
  4. Step 4: Simplify right side
    446,663.60x = 157,649,641,855.21
  5. Step 5: Solve for x
    x = 157,649,641,855.21/446,663.60
  6. Step 6: Final answer
    x = 352,949.38

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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.