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Finding the Fourth Proportional to 264,299.98, 364,736.70 and 143,442.31

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Solution

The fourth proportional to 264,299.98, 364,736.70 and 143,442.31 is: 197,951.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,299.98 : 364,736.70 = 143,442.31 : x
  2. Step 2: Convert to fraction form
    264,299.98/364,736.70 = 143,442.31/x
  3. Step 3: Cross multiply
    264,299.98x = 364,736.70 × 143,442.31
  4. Step 4: Simplify right side
    264,299.98x = 52,318,674,158.39
  5. Step 5: Solve for x
    x = 52,318,674,158.39/264,299.98
  6. Step 6: Final answer
    x = 197,951.87

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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.