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Finding the Fourth Proportional to 323,755.37, 446,776.32 and 178,574.56

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Solution

The fourth proportional to 323,755.37, 446,776.32 and 178,574.56 is: 246,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,755.37 : 446,776.32 = 178,574.56 : x
  2. Step 2: Convert to fraction form
    323,755.37/446,776.32 = 178,574.56/x
  3. Step 3: Cross multiply
    323,755.37x = 446,776.32 × 178,574.56
  4. Step 4: Simplify right side
    323,755.37x = 79,782,884,762.42
  5. Step 5: Solve for x
    x = 79,782,884,762.42/323,755.37
  6. Step 6: Final answer
    x = 246,429.53

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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.