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Finding the Fourth Proportional to 454,708.60, 682,172.47 and 170,401.64

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Solution

The fourth proportional to 454,708.60, 682,172.47 and 170,401.64 is: 255,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,708.60 : 682,172.47 = 170,401.64 : x
  2. Step 2: Convert to fraction form
    454,708.60/682,172.47 = 170,401.64/x
  3. Step 3: Cross multiply
    454,708.60x = 682,172.47 × 170,401.64
  4. Step 4: Simplify right side
    454,708.60x = 116,243,303,494.48
  5. Step 5: Solve for x
    x = 116,243,303,494.48/454,708.60
  6. Step 6: Final answer
    x = 255,643.51

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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.