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Finding the Fourth Proportional to 541,895.36, 747,806.22 and 300,172.86

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Solution

The fourth proportional to 541,895.36, 747,806.22 and 300,172.86 is: 414,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,895.36 : 747,806.22 = 300,172.86 : x
  2. Step 2: Convert to fraction form
    541,895.36/747,806.22 = 300,172.86/x
  3. Step 3: Cross multiply
    541,895.36x = 747,806.22 × 300,172.86
  4. Step 4: Simplify right side
    541,895.36x = 224,471,131,783.19
  5. Step 5: Solve for x
    x = 224,471,131,783.19/541,895.36
  6. Step 6: Final answer
    x = 414,233.36

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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.