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Finding the Fourth Proportional to 316,687.33, 437,035.73 and 173,446.12

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Solution

The fourth proportional to 316,687.33, 437,035.73 and 173,446.12 is: 239,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,687.33 : 437,035.73 = 173,446.12 : x
  2. Step 2: Convert to fraction form
    316,687.33/437,035.73 = 173,446.12/x
  3. Step 3: Cross multiply
    316,687.33x = 437,035.73 × 173,446.12
  4. Step 4: Simplify right side
    316,687.33x = 75,802,151,669.87
  5. Step 5: Solve for x
    x = 75,802,151,669.87/316,687.33
  6. Step 6: Final answer
    x = 239,359.60

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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.