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Finding the Fourth Proportional to 264,313.54, 364,753.05 and 143,454.83

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Solution

The fourth proportional to 264,313.54, 364,753.05 and 143,454.83 is: 197,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,313.54 : 364,753.05 = 143,454.83 : x
  2. Step 2: Convert to fraction form
    264,313.54/364,753.05 = 143,454.83/x
  3. Step 3: Cross multiply
    264,313.54x = 364,753.05 × 143,454.83
  4. Step 4: Simplify right side
    264,313.54x = 52,325,586,779.73
  5. Step 5: Solve for x
    x = 52,325,586,779.73/264,313.54
  6. Step 6: Final answer
    x = 197,967.86

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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.