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Finding the Fourth Proportional to 323,643.60, 446,628.33 and 180,400.37

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Solution

The fourth proportional to 323,643.60, 446,628.33 and 180,400.37 is: 248,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,643.60 : 446,628.33 = 180,400.37 : x
  2. Step 2: Convert to fraction form
    323,643.60/446,628.33 = 180,400.37/x
  3. Step 3: Cross multiply
    323,643.60x = 446,628.33 × 180,400.37
  4. Step 4: Simplify right side
    323,643.60x = 80,571,913,751.34
  5. Step 5: Solve for x
    x = 80,571,913,751.34/323,643.60
  6. Step 6: Final answer
    x = 248,952.59

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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.