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Finding the Fourth Proportional to 511,727.22, 767,211.75 and 245,233.98

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Solution

The fourth proportional to 511,727.22, 767,211.75 and 245,233.98 is: 367,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,727.22 : 767,211.75 = 245,233.98 : x
  2. Step 2: Convert to fraction form
    511,727.22/767,211.75 = 245,233.98/x
  3. Step 3: Cross multiply
    511,727.22x = 767,211.75 × 245,233.98
  4. Step 4: Simplify right side
    511,727.22x = 188,146,390,955.27
  5. Step 5: Solve for x
    x = 188,146,390,955.27/511,727.22
  6. Step 6: Final answer
    x = 367,669.30

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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.