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Finding the Fourth Proportional to 460,671.24, 635,726.92 and 256,717.68

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Solution

The fourth proportional to 460,671.24, 635,726.92 and 256,717.68 is: 354,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,671.24 : 635,726.92 = 256,717.68 : x
  2. Step 2: Convert to fraction form
    460,671.24/635,726.92 = 256,717.68/x
  3. Step 3: Cross multiply
    460,671.24x = 635,726.92 × 256,717.68
  4. Step 4: Simplify right side
    460,671.24x = 163,202,340,015.95
  5. Step 5: Solve for x
    x = 163,202,340,015.95/460,671.24
  6. Step 6: Final answer
    x = 354,270.74

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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.