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Finding the Fourth Proportional to 316,487.00, 436,753.23 and 173,260.37

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Solution

The fourth proportional to 316,487.00, 436,753.23 and 173,260.37 is: 239,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,487.00 : 436,753.23 = 173,260.37 : x
  2. Step 2: Convert to fraction form
    316,487.00/436,753.23 = 173,260.37/x
  3. Step 3: Cross multiply
    316,487.00x = 436,753.23 × 173,260.37
  4. Step 4: Simplify right side
    316,487.00x = 75,672,024,044.73
  5. Step 5: Solve for x
    x = 75,672,024,044.73/316,487.00
  6. Step 6: Final answer
    x = 239,099.95

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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.