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Finding the Fourth Proportional to 484,628.56, 668,850.10 and 277,977.58

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Solution

The fourth proportional to 484,628.56, 668,850.10 and 277,977.58 is: 383,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,628.56 : 668,850.10 = 277,977.58 : x
  2. Step 2: Convert to fraction form
    484,628.56/668,850.10 = 277,977.58/x
  3. Step 3: Cross multiply
    484,628.56x = 668,850.10 × 277,977.58
  4. Step 4: Simplify right side
    484,628.56x = 185,925,332,180.76
  5. Step 5: Solve for x
    x = 185,925,332,180.76/484,628.56
  6. Step 6: Final answer
    x = 383,645.02

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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.