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Finding the Fourth Proportional to 264,530.37, 364,840.78 and 173,979.32

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Solution

The fourth proportional to 264,530.37, 364,840.78 and 173,979.32 is: 239,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,530.37 : 364,840.78 = 173,979.32 : x
  2. Step 2: Convert to fraction form
    264,530.37/364,840.78 = 173,979.32/x
  3. Step 3: Cross multiply
    264,530.37x = 364,840.78 × 173,979.32
  4. Step 4: Simplify right side
    264,530.37x = 63,474,750,812.67
  5. Step 5: Solve for x
    x = 63,474,750,812.67/264,530.37
  6. Step 6: Final answer
    x = 239,952.60

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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.