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Finding the Fourth Proportional to 460,611.98, 635,638.07 and 256,671.50

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Solution

The fourth proportional to 460,611.98, 635,638.07 and 256,671.50 is: 354,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,611.98 : 635,638.07 = 256,671.50 : x
  2. Step 2: Convert to fraction form
    460,611.98/635,638.07 = 256,671.50/x
  3. Step 3: Cross multiply
    460,611.98x = 635,638.07 × 256,671.50
  4. Step 4: Simplify right side
    460,611.98x = 163,150,176,884.01
  5. Step 5: Solve for x
    x = 163,150,176,884.01/460,611.98
  6. Step 6: Final answer
    x = 354,203.07

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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.