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Finding the Fourth Proportional to 266,021.46, 399,032.19 and 177,447.96

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Solution

The fourth proportional to 266,021.46, 399,032.19 and 177,447.96 is: 266,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,021.46 : 399,032.19 = 177,447.96 : x
  2. Step 2: Convert to fraction form
    266,021.46/399,032.19 = 177,447.96/x
  3. Step 3: Cross multiply
    266,021.46x = 399,032.19 × 177,447.96
  4. Step 4: Simplify right side
    266,021.46x = 70,807,448,089.83
  5. Step 5: Solve for x
    x = 70,807,448,089.83/266,021.46
  6. Step 6: Final answer
    x = 266,171.94

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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.