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Finding the Fourth Proportional to 460,754.32, 635,763.87 and 256,760.53

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Solution

The fourth proportional to 460,754.32, 635,763.87 and 256,760.53 is: 354,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,754.32 : 635,763.87 = 256,760.53 : x
  2. Step 2: Convert to fraction form
    460,754.32/635,763.87 = 256,760.53/x
  3. Step 3: Cross multiply
    460,754.32x = 635,763.87 × 256,760.53
  4. Step 4: Simplify right side
    460,754.32x = 163,239,065,037.23
  5. Step 5: Solve for x
    x = 163,239,065,037.23/460,754.32
  6. Step 6: Final answer
    x = 354,286.56

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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.