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Finding the Fourth Proportional to 461,481.26, 636,880.06 and 254,790.16

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Solution

The fourth proportional to 461,481.26, 636,880.06 and 254,790.16 is: 351,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,481.26 : 636,880.06 = 254,790.16 : x
  2. Step 2: Convert to fraction form
    461,481.26/636,880.06 = 254,790.16/x
  3. Step 3: Cross multiply
    461,481.26x = 636,880.06 × 254,790.16
  4. Step 4: Simplify right side
    461,481.26x = 162,270,772,388.21
  5. Step 5: Solve for x
    x = 162,270,772,388.21/461,481.26
  6. Step 6: Final answer
    x = 351,630.25

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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.