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Finding the Fourth Proportional to 473,988.88, 711,020.76 and 158,447.44

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Solution

The fourth proportional to 473,988.88, 711,020.76 and 158,447.44 is: 237,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,988.88 : 711,020.76 = 158,447.44 : x
  2. Step 2: Convert to fraction form
    473,988.88/711,020.76 = 158,447.44/x
  3. Step 3: Cross multiply
    473,988.88x = 711,020.76 × 158,447.44
  4. Step 4: Simplify right side
    473,988.88x = 112,659,419,208.85
  5. Step 5: Solve for x
    x = 112,659,419,208.85/473,988.88
  6. Step 6: Final answer
    x = 237,683.68

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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.