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Finding the Fourth Proportional to 264,313.87, 364,753.49 and 143,455.16

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Solution

The fourth proportional to 264,313.87, 364,753.49 and 143,455.16 is: 197,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,313.87 : 364,753.49 = 143,455.16 : x
  2. Step 2: Convert to fraction form
    264,313.87/364,753.49 = 143,455.16/x
  3. Step 3: Cross multiply
    264,313.87x = 364,753.49 × 143,455.16
  4. Step 4: Simplify right side
    264,313.87x = 52,325,770,268.51
  5. Step 5: Solve for x
    x = 52,325,770,268.51/264,313.87
  6. Step 6: Final answer
    x = 197,968.31

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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.