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Finding the Fourth Proportional to 339,770.80, 468,842.96 and 186,783.76

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Solution

The fourth proportional to 339,770.80, 468,842.96 and 186,783.76 is: 257,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,770.80 : 468,842.96 = 186,783.76 : x
  2. Step 2: Convert to fraction form
    339,770.80/468,842.96 = 186,783.76/x
  3. Step 3: Cross multiply
    339,770.80x = 468,842.96 × 186,783.76
  4. Step 4: Simplify right side
    339,770.80x = 87,572,250,918.33
  5. Step 5: Solve for x
    x = 87,572,250,918.33/339,770.80
  6. Step 6: Final answer
    x = 257,739.19

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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.