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Finding the Fourth Proportional to 263,459.58, 395,189.64 and 123,316.62

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Solution

The fourth proportional to 263,459.58, 395,189.64 and 123,316.62 is: 184,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,459.58 : 395,189.64 = 123,316.62 : x
  2. Step 2: Convert to fraction form
    263,459.58/395,189.64 = 123,316.62/x
  3. Step 3: Cross multiply
    263,459.58x = 395,189.64 × 123,316.62
  4. Step 4: Simplify right side
    263,459.58x = 48,733,450,663.82
  5. Step 5: Solve for x
    x = 48,733,450,663.82/263,459.58
  6. Step 6: Final answer
    x = 184,975.06

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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.