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Finding the Fourth Proportional to 536,940.54, 804,907.80 and 181,705.86

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Solution

The fourth proportional to 536,940.54, 804,907.80 and 181,705.86 is: 272,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,940.54 : 804,907.80 = 181,705.86 : x
  2. Step 2: Convert to fraction form
    536,940.54/804,907.80 = 181,705.86/x
  3. Step 3: Cross multiply
    536,940.54x = 804,907.80 × 181,705.86
  4. Step 4: Simplify right side
    536,940.54x = 146,256,464,019.71
  5. Step 5: Solve for x
    x = 146,256,464,019.71/536,940.54
  6. Step 6: Final answer
    x = 272,388.57

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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.