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Finding the Fourth Proportional to 541,399.86, 812,090.21 and 186,406.02

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Solution

The fourth proportional to 541,399.86, 812,090.21 and 186,406.02 is: 279,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,399.86 : 812,090.21 = 186,406.02 : x
  2. Step 2: Convert to fraction form
    541,399.86/812,090.21 = 186,406.02/x
  3. Step 3: Cross multiply
    541,399.86x = 812,090.21 × 186,406.02
  4. Step 4: Simplify right side
    541,399.86x = 151,378,502,995.03
  5. Step 5: Solve for x
    x = 151,378,502,995.03/541,399.86
  6. Step 6: Final answer
    x = 279,605.73

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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.