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Finding the Fourth Proportional to 610,884.55, 915,958.68 and 273,864.25

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Solution

The fourth proportional to 610,884.55, 915,958.68 and 273,864.25 is: 410,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,884.55 : 915,958.68 = 273,864.25 : x
  2. Step 2: Convert to fraction form
    610,884.55/915,958.68 = 273,864.25/x
  3. Step 3: Cross multiply
    610,884.55x = 915,958.68 × 273,864.25
  4. Step 4: Simplify right side
    610,884.55x = 250,848,336,929.19
  5. Step 5: Solve for x
    x = 250,848,336,929.19/610,884.55
  6. Step 6: Final answer
    x = 410,631.33

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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.