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Finding the Fourth Proportional to 316,797.06, 437,179.95 and 189,502.73

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Solution

The fourth proportional to 316,797.06, 437,179.95 and 189,502.73 is: 261,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,797.06 : 437,179.95 = 189,502.73 : x
  2. Step 2: Convert to fraction form
    316,797.06/437,179.95 = 189,502.73/x
  3. Step 3: Cross multiply
    316,797.06x = 437,179.95 × 189,502.73
  4. Step 4: Simplify right side
    316,797.06x = 82,846,794,026.26
  5. Step 5: Solve for x
    x = 82,846,794,026.26/316,797.06
  6. Step 6: Final answer
    x = 261,513.77

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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.