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Finding the Fourth Proportional to 263,999.55, 395,999.33 and 116,543.55

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Solution

The fourth proportional to 263,999.55, 395,999.33 and 116,543.55 is: 174,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,999.55 : 395,999.33 = 116,543.55 : x
  2. Step 2: Convert to fraction form
    263,999.55/395,999.33 = 116,543.55/x
  3. Step 3: Cross multiply
    263,999.55x = 395,999.33 × 116,543.55
  4. Step 4: Simplify right side
    263,999.55x = 46,151,167,133.10
  5. Step 5: Solve for x
    x = 46,151,167,133.10/263,999.55
  6. Step 6: Final answer
    x = 174,815.33

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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.