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Finding the Fourth Proportional to 543,190.57, 749,593.62 and 301,483.33

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Solution

The fourth proportional to 543,190.57, 749,593.62 and 301,483.33 is: 416,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,190.57 : 749,593.62 = 301,483.33 : x
  2. Step 2: Convert to fraction form
    543,190.57/749,593.62 = 301,483.33/x
  3. Step 3: Cross multiply
    543,190.57x = 749,593.62 × 301,483.33
  4. Step 4: Simplify right side
    543,190.57x = 225,989,980,704.36
  5. Step 5: Solve for x
    x = 225,989,980,704.36/543,190.57
  6. Step 6: Final answer
    x = 416,041.80

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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.