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Finding the Fourth Proportional to 625,516.51, 936,944.28 and 369,072.70

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Solution

The fourth proportional to 625,516.51, 936,944.28 and 369,072.70 is: 552,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,516.51 : 936,944.28 = 369,072.70 : x
  2. Step 2: Convert to fraction form
    625,516.51/936,944.28 = 369,072.70/x
  3. Step 3: Cross multiply
    625,516.51x = 936,944.28 × 369,072.70
  4. Step 4: Simplify right side
    625,516.51x = 345,800,555,169.16
  5. Step 5: Solve for x
    x = 345,800,555,169.16/625,516.51
  6. Step 6: Final answer
    x = 552,824.03

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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.