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Finding the Fourth Proportional to 488,162.08, 732,353.58 and 263,517.70

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Solution

The fourth proportional to 488,162.08, 732,353.58 and 263,517.70 is: 395,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,162.08 : 732,353.58 = 263,517.70 : x
  2. Step 2: Convert to fraction form
    488,162.08/732,353.58 = 263,517.70/x
  3. Step 3: Cross multiply
    488,162.08x = 732,353.58 × 263,517.70
  4. Step 4: Simplify right side
    488,162.08x = 192,988,130,988.37
  5. Step 5: Solve for x
    x = 192,988,130,988.37/488,162.08
  6. Step 6: Final answer
    x = 395,336.18

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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.