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Finding the Fourth Proportional to 323,314.13, 446,173.21 and 187,426.76

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Solution

The fourth proportional to 323,314.13, 446,173.21 and 187,426.76 is: 258,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,314.13 : 446,173.21 = 187,426.76 : x
  2. Step 2: Convert to fraction form
    323,314.13/446,173.21 = 187,426.76/x
  3. Step 3: Cross multiply
    323,314.13x = 446,173.21 × 187,426.76
  4. Step 4: Simplify right side
    323,314.13x = 83,624,799,662.24
  5. Step 5: Solve for x
    x = 83,624,799,662.24/323,314.13
  6. Step 6: Final answer
    x = 258,648.76

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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.