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Finding the Fourth Proportional to 460,272.26, 635,170.59 and 256,318.71

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Solution

The fourth proportional to 460,272.26, 635,170.59 and 256,318.71 is: 353,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,272.26 : 635,170.59 = 256,318.71 : x
  2. Step 2: Convert to fraction form
    460,272.26/635,170.59 = 256,318.71/x
  3. Step 3: Cross multiply
    460,272.26x = 635,170.59 × 256,318.71
  4. Step 4: Simplify right side
    460,272.26x = 162,806,106,258.74
  5. Step 5: Solve for x
    x = 162,806,106,258.74/460,272.26
  6. Step 6: Final answer
    x = 353,716.97

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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.