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Finding the Fourth Proportional to 264,301.28, 364,736.04 and 143,442.64

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Solution

The fourth proportional to 264,301.28, 364,736.04 and 143,442.64 is: 197,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,301.28 : 364,736.04 = 143,442.64 : x
  2. Step 2: Convert to fraction form
    264,301.28/364,736.04 = 143,442.64/x
  3. Step 3: Cross multiply
    264,301.28x = 364,736.04 × 143,442.64
  4. Step 4: Simplify right side
    264,301.28x = 52,318,700,480.75
  5. Step 5: Solve for x
    x = 52,318,700,480.75/264,301.28
  6. Step 6: Final answer
    x = 197,950.99

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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.