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Finding the Fourth Proportional to 446,357.64, 616,080.84 and 255,481.80

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Solution

The fourth proportional to 446,357.64, 616,080.84 and 255,481.80 is: 352,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,357.64 : 616,080.84 = 255,481.80 : x
  2. Step 2: Convert to fraction form
    446,357.64/616,080.84 = 255,481.80/x
  3. Step 3: Cross multiply
    446,357.64x = 616,080.84 × 255,481.80
  4. Step 4: Simplify right side
    446,357.64x = 157,397,441,948.71
  5. Step 5: Solve for x
    x = 157,397,441,948.71/446,357.64
  6. Step 6: Final answer
    x = 352,626.30

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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.