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Finding the Fourth Proportional to 460,418.60, 635,293.44 and 256,464.32

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Solution

The fourth proportional to 460,418.60, 635,293.44 and 256,464.32 is: 353,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,418.60 : 635,293.44 = 256,464.32 : x
  2. Step 2: Convert to fraction form
    460,418.60/635,293.44 = 256,464.32/x
  3. Step 3: Cross multiply
    460,418.60x = 635,293.44 × 256,464.32
  4. Step 4: Simplify right side
    460,418.60x = 162,930,100,090.06
  5. Step 5: Solve for x
    x = 162,930,100,090.06/460,418.60
  6. Step 6: Final answer
    x = 353,873.84

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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.