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Finding the Fourth Proportional to 466,422.80, 699,115.80 and 256,211.60

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Solution

The fourth proportional to 466,422.80, 699,115.80 and 256,211.60 is: 384,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,422.80 : 699,115.80 = 256,211.60 : x
  2. Step 2: Convert to fraction form
    466,422.80/699,115.80 = 256,211.60/x
  3. Step 3: Cross multiply
    466,422.80x = 699,115.80 × 256,211.60
  4. Step 4: Simplify right side
    466,422.80x = 179,121,577,703.28
  5. Step 5: Solve for x
    x = 179,121,577,703.28/466,422.80
  6. Step 6: Final answer
    x = 384,032.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.