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Finding the Fourth Proportional to 253,766.88, 380,612.73 and 153,900.26

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Solution

The fourth proportional to 253,766.88, 380,612.73 and 153,900.26 is: 230,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,766.88 : 380,612.73 = 153,900.26 : x
  2. Step 2: Convert to fraction form
    253,766.88/380,612.73 = 153,900.26/x
  3. Step 3: Cross multiply
    253,766.88x = 380,612.73 × 153,900.26
  4. Step 4: Simplify right side
    253,766.88x = 58,576,399,634.97
  5. Step 5: Solve for x
    x = 58,576,399,634.97/253,766.88
  6. Step 6: Final answer
    x = 230,827.60

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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.