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Finding the Fourth Proportional to 266,438.88, 367,674.72 and 145,584.32

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Solution

The fourth proportional to 266,438.88, 367,674.72 and 145,584.32 is: 200,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,438.88 : 367,674.72 = 145,584.32 : x
  2. Step 2: Convert to fraction form
    266,438.88/367,674.72 = 145,584.32/x
  3. Step 3: Cross multiply
    266,438.88x = 367,674.72 × 145,584.32
  4. Step 4: Simplify right side
    266,438.88x = 53,527,674,092.39
  5. Step 5: Solve for x
    x = 53,527,674,092.39/266,438.88
  6. Step 6: Final answer
    x = 200,900.39

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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.