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Finding the Fourth Proportional to 460,755.32, 635,765.25 and 256,761.53

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Solution

The fourth proportional to 460,755.32, 635,765.25 and 256,761.53 is: 354,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,755.32 : 635,765.25 = 256,761.53 : x
  2. Step 2: Convert to fraction form
    460,755.32/635,765.25 = 256,761.53/x
  3. Step 3: Cross multiply
    460,755.32x = 635,765.25 × 256,761.53
  4. Step 4: Simplify right side
    460,755.32x = 163,240,055,132.01
  5. Step 5: Solve for x
    x = 163,240,055,132.01/460,755.32
  6. Step 6: Final answer
    x = 354,287.94

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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.