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Finding the Fourth Proportional to 460,777.87, 635,796.36 and 256,784.23

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Solution

The fourth proportional to 460,777.87, 635,796.36 and 256,784.23 is: 354,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,777.87 : 635,796.36 = 256,784.23 : x
  2. Step 2: Convert to fraction form
    460,777.87/635,796.36 = 256,784.23/x
  3. Step 3: Cross multiply
    460,777.87x = 635,796.36 × 256,784.23
  4. Step 4: Simplify right side
    460,777.87x = 163,262,476,680.00
  5. Step 5: Solve for x
    x = 163,262,476,680.00/460,777.87
  6. Step 6: Final answer
    x = 354,319.27

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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.