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Finding the Fourth Proportional to 322,064.43, 480,927.88 and 263,017.23

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Solution

The fourth proportional to 322,064.43, 480,927.88 and 263,017.23 is: 392,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,064.43 : 480,927.88 = 263,017.23 : x
  2. Step 2: Convert to fraction form
    322,064.43/480,927.88 = 263,017.23/x
  3. Step 3: Cross multiply
    322,064.43x = 480,927.88 × 263,017.23
  4. Step 4: Simplify right side
    322,064.43x = 126,492,318,169.83
  5. Step 5: Solve for x
    x = 126,492,318,169.83/322,064.43
  6. Step 6: Final answer
    x = 392,754.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.