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Finding the Fourth Proportional to 275,758.60, 413,637.90 and 170,782.60

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Solution

The fourth proportional to 275,758.60, 413,637.90 and 170,782.60 is: 256,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,758.60 : 413,637.90 = 170,782.60 : x
  2. Step 2: Convert to fraction form
    275,758.60/413,637.90 = 170,782.60/x
  3. Step 3: Cross multiply
    275,758.60x = 413,637.90 × 170,782.60
  4. Step 4: Simplify right side
    275,758.60x = 70,642,156,020.54
  5. Step 5: Solve for x
    x = 70,642,156,020.54/275,758.60
  6. Step 6: Final answer
    x = 256,173.90

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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.