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Finding the Fourth Proportional to 488,212.94, 732,398.40 and 151,174.38

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Solution

The fourth proportional to 488,212.94, 732,398.40 and 151,174.38 is: 226,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,212.94 : 732,398.40 = 151,174.38 : x
  2. Step 2: Convert to fraction form
    488,212.94/732,398.40 = 151,174.38/x
  3. Step 3: Cross multiply
    488,212.94x = 732,398.40 × 151,174.38
  4. Step 4: Simplify right side
    488,212.94x = 110,719,874,032.99
  5. Step 5: Solve for x
    x = 110,719,874,032.99/488,212.94
  6. Step 6: Final answer
    x = 226,786.03

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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.