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Finding the Fourth Proportional to 264,529.37, 364,839.40 and 173,978.32

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Solution

The fourth proportional to 264,529.37, 364,839.40 and 173,978.32 is: 239,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,529.37 : 364,839.40 = 173,978.32 : x
  2. Step 2: Convert to fraction form
    264,529.37/364,839.40 = 173,978.32/x
  3. Step 3: Cross multiply
    264,529.37x = 364,839.40 × 173,978.32
  4. Step 4: Simplify right side
    264,529.37x = 63,474,145,881.81
  5. Step 5: Solve for x
    x = 63,474,145,881.81/264,529.37
  6. Step 6: Final answer
    x = 239,951.22

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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.