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Finding the Fourth Proportional to 323,323.28, 446,168.40 and 178,100.60

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Solution

The fourth proportional to 323,323.28, 446,168.40 and 178,100.60 is: 245,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,323.28 : 446,168.40 = 178,100.60 : x
  2. Step 2: Convert to fraction form
    323,323.28/446,168.40 = 178,100.60/x
  3. Step 3: Cross multiply
    323,323.28x = 446,168.40 × 178,100.60
  4. Step 4: Simplify right side
    323,323.28x = 79,462,859,741.04
  5. Step 5: Solve for x
    x = 79,462,859,741.04/323,323.28
  6. Step 6: Final answer
    x = 245,769.06

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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.