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Finding the Fourth Proportional to 264,328.54, 364,773.80 and 143,469.82

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Solution

The fourth proportional to 264,328.54, 364,773.80 and 143,469.82 is: 197,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,328.54 : 364,773.80 = 143,469.82 : x
  2. Step 2: Convert to fraction form
    264,328.54/364,773.80 = 143,469.82/x
  3. Step 3: Cross multiply
    264,328.54x = 364,773.80 × 143,469.82
  4. Step 4: Simplify right side
    264,328.54x = 52,334,031,426.72
  5. Step 5: Solve for x
    x = 52,334,031,426.72/264,328.54
  6. Step 6: Final answer
    x = 197,988.58

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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.