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Finding the Fourth Proportional to 460,763.58, 635,856.72 and 256,827.46

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Solution

The fourth proportional to 460,763.58, 635,856.72 and 256,827.46 is: 354,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,763.58 : 635,856.72 = 256,827.46 : x
  2. Step 2: Convert to fraction form
    460,763.58/635,856.72 = 256,827.46/x
  3. Step 3: Cross multiply
    460,763.58x = 635,856.72 × 256,827.46
  4. Step 4: Simplify right side
    460,763.58x = 163,305,466,321.53
  5. Step 5: Solve for x
    x = 163,305,466,321.53/460,763.58
  6. Step 6: Final answer
    x = 354,423.56

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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.