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Finding the Fourth Proportional to 323,509.75, 446,445.21 and 187,624.25

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Solution

The fourth proportional to 323,509.75, 446,445.21 and 187,624.25 is: 258,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,509.75 : 446,445.21 = 187,624.25 : x
  2. Step 2: Convert to fraction form
    323,509.75/446,445.21 = 187,624.25/x
  3. Step 3: Cross multiply
    323,509.75x = 446,445.21 × 187,624.25
  4. Step 4: Simplify right side
    323,509.75x = 83,763,947,692.34
  5. Step 5: Solve for x
    x = 83,763,947,692.34/323,509.75
  6. Step 6: Final answer
    x = 258,922.48

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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.