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Finding the Fourth Proportional to 460,671.42, 635,727.18 and 256,717.88

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Solution

The fourth proportional to 460,671.42, 635,727.18 and 256,717.88 is: 354,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,671.42 : 635,727.18 = 256,717.88 : x
  2. Step 2: Convert to fraction form
    460,671.42/635,727.18 = 256,717.88/x
  3. Step 3: Cross multiply
    460,671.42x = 635,727.18 × 256,717.88
  4. Step 4: Simplify right side
    460,671.42x = 163,202,530,729.34
  5. Step 5: Solve for x
    x = 163,202,530,729.34/460,671.42
  6. Step 6: Final answer
    x = 354,271.01

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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.