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Finding the Fourth Proportional to 264,327.28, 364,770.72 and 143,468.57

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Solution

The fourth proportional to 264,327.28, 364,770.72 and 143,468.57 is: 197,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,327.28 : 364,770.72 = 143,468.57 : x
  2. Step 2: Convert to fraction form
    264,327.28/364,770.72 = 143,468.57/x
  3. Step 3: Cross multiply
    264,327.28x = 364,770.72 × 143,468.57
  4. Step 4: Simplify right side
    264,327.28x = 52,333,133,576.27
  5. Step 5: Solve for x
    x = 52,333,133,576.27/264,327.28
  6. Step 6: Final answer
    x = 197,986.12

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1.5x scale

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.