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Finding the Fourth Proportional to 484,960.48, 669,266.32 and 270,100.64

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Solution

The fourth proportional to 484,960.48, 669,266.32 and 270,100.64 is: 372,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,960.48 : 669,266.32 = 270,100.64 : x
  2. Step 2: Convert to fraction form
    484,960.48/669,266.32 = 270,100.64/x
  3. Step 3: Cross multiply
    484,960.48x = 669,266.32 × 270,100.64
  4. Step 4: Simplify right side
    484,960.48x = 180,769,261,362.45
  5. Step 5: Solve for x
    x = 180,769,261,362.45/484,960.48
  6. Step 6: Final answer
    x = 372,750.50

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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.