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Finding the Fourth Proportional to 392,525.46, 541,140.93 and 264,999.06

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Solution

The fourth proportional to 392,525.46, 541,140.93 and 264,999.06 is: 365,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,525.46 : 541,140.93 = 264,999.06 : x
  2. Step 2: Convert to fraction form
    392,525.46/541,140.93 = 264,999.06/x
  3. Step 3: Cross multiply
    392,525.46x = 541,140.93 × 264,999.06
  4. Step 4: Simplify right side
    392,525.46x = 143,401,837,777.53
  5. Step 5: Solve for x
    x = 143,401,837,777.53/392,525.46
  6. Step 6: Final answer
    x = 365,331.30

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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.