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Finding the Fourth Proportional to 353,886.36, 528,263.48 and 327,544.88

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Solution

The fourth proportional to 353,886.36, 528,263.48 and 327,544.88 is: 488,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,886.36 : 528,263.48 = 327,544.88 : x
  2. Step 2: Convert to fraction form
    353,886.36/528,263.48 = 327,544.88/x
  3. Step 3: Cross multiply
    353,886.36x = 528,263.48 × 327,544.88
  4. Step 4: Simplify right side
    353,886.36x = 173,029,998,164.98
  5. Step 5: Solve for x
    x = 173,029,998,164.98/353,886.36
  6. Step 6: Final answer
    x = 488,942.26

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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.