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Finding the Fourth Proportional to 275,220.90, 413,090.55 and 170,244.90

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Solution

The fourth proportional to 275,220.90, 413,090.55 and 170,244.90 is: 255,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,220.90 : 413,090.55 = 170,244.90 : x
  2. Step 2: Convert to fraction form
    275,220.90/413,090.55 = 170,244.90/x
  3. Step 3: Cross multiply
    275,220.90x = 413,090.55 × 170,244.90
  4. Step 4: Simplify right side
    275,220.90x = 70,326,559,375.70
  5. Step 5: Solve for x
    x = 70,326,559,375.70/275,220.90
  6. Step 6: Final answer
    x = 255,527.68

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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.