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Finding the Fourth Proportional to 484,958.48, 669,263.56 and 270,098.64

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Solution

The fourth proportional to 484,958.48, 669,263.56 and 270,098.64 is: 372,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,958.48 : 669,263.56 = 270,098.64 : x
  2. Step 2: Convert to fraction form
    484,958.48/669,263.56 = 270,098.64/x
  3. Step 3: Cross multiply
    484,958.48x = 669,263.56 × 270,098.64
  4. Step 4: Simplify right side
    484,958.48x = 180,767,177,357.56
  5. Step 5: Solve for x
    x = 180,767,177,357.56/484,958.48
  6. Step 6: Final answer
    x = 372,747.74

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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.