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Finding the Fourth Proportional to 484,401.60, 726,369.12 and 168,851.52

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Solution

The fourth proportional to 484,401.60, 726,369.12 and 168,851.52 is: 253,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,401.60 : 726,369.12 = 168,851.52 : x
  2. Step 2: Convert to fraction form
    484,401.60/726,369.12 = 168,851.52/x
  3. Step 3: Cross multiply
    484,401.60x = 726,369.12 × 168,851.52
  4. Step 4: Simplify right side
    484,401.60x = 122,648,529,993.06
  5. Step 5: Solve for x
    x = 122,648,529,993.06/484,401.60
  6. Step 6: Final answer
    x = 253,195.96

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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.