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Finding the Fourth Proportional to 323,280.33, 446,109.31 and 178,057.85

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Solution

The fourth proportional to 323,280.33, 446,109.31 and 178,057.85 is: 245,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,280.33 : 446,109.31 = 178,057.85 : x
  2. Step 2: Convert to fraction form
    323,280.33/446,109.31 = 178,057.85/x
  3. Step 3: Cross multiply
    323,280.33x = 446,109.31 × 178,057.85
  4. Step 4: Simplify right side
    323,280.33x = 79,433,263,043.17
  5. Step 5: Solve for x
    x = 79,433,263,043.17/323,280.33
  6. Step 6: Final answer
    x = 245,710.17

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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.