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Finding the Fourth Proportional to 266,416.56, 367,679.82 and 145,575.75

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Solution

The fourth proportional to 266,416.56, 367,679.82 and 145,575.75 is: 200,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,416.56 : 367,679.82 = 145,575.75 : x
  2. Step 2: Convert to fraction form
    266,416.56/367,679.82 = 145,575.75/x
  3. Step 3: Cross multiply
    266,416.56x = 367,679.82 × 145,575.75
  4. Step 4: Simplify right side
    266,416.56x = 53,525,265,556.37
  5. Step 5: Solve for x
    x = 53,525,265,556.37/266,416.56
  6. Step 6: Final answer
    x = 200,908.18

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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.