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Finding the Fourth Proportional to 484,515.52, 668,630.72 and 269,650.46

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Solution

The fourth proportional to 484,515.52, 668,630.72 and 269,650.46 is: 372,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,515.52 : 668,630.72 = 269,650.46 : x
  2. Step 2: Convert to fraction form
    484,515.52/668,630.72 = 269,650.46/x
  3. Step 3: Cross multiply
    484,515.52x = 668,630.72 × 269,650.46
  4. Step 4: Simplify right side
    484,515.52x = 180,296,583,563.83
  5. Step 5: Solve for x
    x = 180,296,583,563.83/484,515.52
  6. Step 6: Final answer
    x = 372,117.25

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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.