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Finding the Fourth Proportional to 444,089.78, 666,204.53 and 191,442.06

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Solution

The fourth proportional to 444,089.78, 666,204.53 and 191,442.06 is: 287,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,089.78 : 666,204.53 = 191,442.06 : x
  2. Step 2: Convert to fraction form
    444,089.78/666,204.53 = 191,442.06/x
  3. Step 3: Cross multiply
    444,089.78x = 666,204.53 × 191,442.06
  4. Step 4: Simplify right side
    444,089.78x = 127,539,566,647.32
  5. Step 5: Solve for x
    x = 127,539,566,647.32/444,089.78
  6. Step 6: Final answer
    x = 287,193.21

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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.