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Finding the Fourth Proportional to 488,266.38, 732,513.78 and 151,289.37

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Solution

The fourth proportional to 488,266.38, 732,513.78 and 151,289.37 is: 226,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,266.38 : 732,513.78 = 151,289.37 : x
  2. Step 2: Convert to fraction form
    488,266.38/732,513.78 = 151,289.37/x
  3. Step 3: Cross multiply
    488,266.38x = 732,513.78 × 151,289.37
  4. Step 4: Simplify right side
    488,266.38x = 110,821,548,292.52
  5. Step 5: Solve for x
    x = 110,821,548,292.52/488,266.38
  6. Step 6: Final answer
    x = 226,969.44

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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.