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Finding the Fourth Proportional to 484,082.75, 668,052.63 and 269,238.35

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Solution

The fourth proportional to 484,082.75, 668,052.63 and 269,238.35 is: 371,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,082.75 : 668,052.63 = 269,238.35 : x
  2. Step 2: Convert to fraction form
    484,082.75/668,052.63 = 269,238.35/x
  3. Step 3: Cross multiply
    484,082.75x = 668,052.63 × 269,238.35
  4. Step 4: Simplify right side
    484,082.75x = 179,865,389,484.49
  5. Step 5: Solve for x
    x = 179,865,389,484.49/484,082.75
  6. Step 6: Final answer
    x = 371,559.18

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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.