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Finding the Fourth Proportional to 480,859.18, 663,527.83 and 276,976.42

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Solution

The fourth proportional to 480,859.18, 663,527.83 and 276,976.42 is: 382,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,859.18 : 663,527.83 = 276,976.42 : x
  2. Step 2: Convert to fraction form
    480,859.18/663,527.83 = 276,976.42/x
  3. Step 3: Cross multiply
    480,859.18x = 663,527.83 × 276,976.42
  4. Step 4: Simplify right side
    480,859.18x = 183,781,562,923.77
  5. Step 5: Solve for x
    x = 183,781,562,923.77/480,859.18
  6. Step 6: Final answer
    x = 382,194.14

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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.