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Finding the Fourth Proportional to 484,469.60, 668,559.03 and 269,607.65

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Solution

The fourth proportional to 484,469.60, 668,559.03 and 269,607.65 is: 372,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,469.60 : 668,559.03 = 269,607.65 : x
  2. Step 2: Convert to fraction form
    484,469.60/668,559.03 = 269,607.65/x
  3. Step 3: Cross multiply
    484,469.60x = 668,559.03 × 269,607.65
  4. Step 4: Simplify right side
    484,469.60x = 180,248,628,964.58
  5. Step 5: Solve for x
    x = 180,248,628,964.58/484,469.60
  6. Step 6: Final answer
    x = 372,053.54

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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.