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Finding the Fourth Proportional to 484,138.08, 667,946.52 and 346,200.48

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Solution

The fourth proportional to 484,138.08, 667,946.52 and 346,200.48 is: 477,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,138.08 : 667,946.52 = 346,200.48 : x
  2. Step 2: Convert to fraction form
    484,138.08/667,946.52 = 346,200.48/x
  3. Step 3: Cross multiply
    484,138.08x = 667,946.52 × 346,200.48
  4. Step 4: Simplify right side
    484,138.08x = 231,243,405,838.33
  5. Step 5: Solve for x
    x = 231,243,405,838.33/484,138.08
  6. Step 6: Final answer
    x = 477,639.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.