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Finding the Fourth Proportional to 467,079.84, 644,436.83 and 263,059.40

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Solution

The fourth proportional to 467,079.84, 644,436.83 and 263,059.40 is: 362,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,079.84 : 644,436.83 = 263,059.40 : x
  2. Step 2: Convert to fraction form
    467,079.84/644,436.83 = 263,059.40/x
  3. Step 3: Cross multiply
    467,079.84x = 644,436.83 × 263,059.40
  4. Step 4: Simplify right side
    467,079.84x = 169,525,166,626.73
  5. Step 5: Solve for x
    x = 169,525,166,626.73/467,079.84
  6. Step 6: Final answer
    x = 362,946.87

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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.