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Finding the Fourth Proportional to 275,334.60, 413,001.90 and 170,358.60

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Solution

The fourth proportional to 275,334.60, 413,001.90 and 170,358.60 is: 255,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,334.60 : 413,001.90 = 170,358.60 : x
  2. Step 2: Convert to fraction form
    275,334.60/413,001.90 = 170,358.60/x
  3. Step 3: Cross multiply
    275,334.60x = 413,001.90 × 170,358.60
  4. Step 4: Simplify right side
    275,334.60x = 70,358,425,481.34
  5. Step 5: Solve for x
    x = 70,358,425,481.34/275,334.60
  6. Step 6: Final answer
    x = 255,537.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.