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Finding the Fourth Proportional to 484,146.08, 667,957.56 and 346,208.48

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Solution

The fourth proportional to 484,146.08, 667,957.56 and 346,208.48 is: 477,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,146.08 : 667,957.56 = 346,208.48 : x
  2. Step 2: Convert to fraction form
    484,146.08/667,957.56 = 346,208.48/x
  3. Step 3: Cross multiply
    484,146.08x = 667,957.56 × 346,208.48
  4. Step 4: Simplify right side
    484,146.08x = 231,252,571,552.11
  5. Step 5: Solve for x
    x = 231,252,571,552.11/484,146.08
  6. Step 6: Final answer
    x = 477,650.41

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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.