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Finding the Fourth Proportional to 542,181.01, 748,211.67 and 300,467.68

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Solution

The fourth proportional to 542,181.01, 748,211.67 and 300,467.68 is: 414,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,181.01 : 748,211.67 = 300,467.68 : x
  2. Step 2: Convert to fraction form
    542,181.01/748,211.67 = 300,467.68/x
  3. Step 3: Cross multiply
    542,181.01x = 748,211.67 × 300,467.68
  4. Step 4: Simplify right side
    542,181.01x = 224,813,424,633.83
  5. Step 5: Solve for x
    x = 224,813,424,633.83/542,181.01
  6. Step 6: Final answer
    x = 414,646.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.