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Finding the Fourth Proportional to 484,513.34, 668,621.74 and 269,653.37

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Solution

The fourth proportional to 484,513.34, 668,621.74 and 269,653.37 is: 372,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,513.34 : 668,621.74 = 269,653.37 : x
  2. Step 2: Convert to fraction form
    484,513.34/668,621.74 = 269,653.37/x
  3. Step 3: Cross multiply
    484,513.34x = 668,621.74 × 269,653.37
  4. Step 4: Simplify right side
    484,513.34x = 180,296,105,446.26
  5. Step 5: Solve for x
    x = 180,296,105,446.26/484,513.34
  6. Step 6: Final answer
    x = 372,117.94

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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.