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Finding the Fourth Proportional to 467,893.80, 701,840.70 and 257,941.80

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Solution

The fourth proportional to 467,893.80, 701,840.70 and 257,941.80 is: 386,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,893.80 : 701,840.70 = 257,941.80 : x
  2. Step 2: Convert to fraction form
    467,893.80/701,840.70 = 257,941.80/x
  3. Step 3: Cross multiply
    467,893.80x = 701,840.70 × 257,941.80
  4. Step 4: Simplify right side
    467,893.80x = 181,034,053,471.26
  5. Step 5: Solve for x
    x = 181,034,053,471.26/467,893.80
  6. Step 6: Final answer
    x = 386,912.70

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Similar ratio
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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.