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Finding the Fourth Proportional to 1,322,728.92, 1,983,732.99 and 362,956.98

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Solution

The fourth proportional to 1,322,728.92, 1,983,732.99 and 362,956.98 is: 544,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,728.92 : 1,983,732.99 = 362,956.98 : x
  2. Step 2: Convert to fraction form
    1,322,728.92/1,983,732.99 = 362,956.98/x
  3. Step 3: Cross multiply
    1,322,728.92x = 1,983,732.99 × 362,956.98
  4. Step 4: Simplify right side
    1,322,728.92x = 720,009,735,176.77
  5. Step 5: Solve for x
    x = 720,009,735,176.77/1,322,728.92
  6. Step 6: Final answer
    x = 544,336.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.