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Finding the Fourth Proportional to 323,503.80, 446,438.16 and 178,301.58

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Solution

The fourth proportional to 323,503.80, 446,438.16 and 178,301.58 is: 246,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,503.80 : 446,438.16 = 178,301.58 : x
  2. Step 2: Convert to fraction form
    323,503.80/446,438.16 = 178,301.58/x
  3. Step 3: Cross multiply
    323,503.80x = 446,438.16 × 178,301.58
  4. Step 4: Simplify right side
    323,503.80x = 79,600,629,300.29
  5. Step 5: Solve for x
    x = 79,600,629,300.29/323,503.80
  6. Step 6: Final answer
    x = 246,057.79

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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.