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Finding the Fourth Proportional to 460,761.58, 635,853.96 and 256,825.46

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Solution

The fourth proportional to 460,761.58, 635,853.96 and 256,825.46 is: 354,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,761.58 : 635,853.96 = 256,825.46 : x
  2. Step 2: Convert to fraction form
    460,761.58/635,853.96 = 256,825.46/x
  3. Step 3: Cross multiply
    460,761.58x = 635,853.96 × 256,825.46
  4. Step 4: Simplify right side
    460,761.58x = 163,303,485,769.82
  5. Step 5: Solve for x
    x = 163,303,485,769.82/460,761.58
  6. Step 6: Final answer
    x = 354,420.80

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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.