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Finding the Fourth Proportional to 364,490.69, 546,774.97 and 154,149.89

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Solution

The fourth proportional to 364,490.69, 546,774.97 and 154,149.89 is: 231,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,490.69 : 546,774.97 = 154,149.89 : x
  2. Step 2: Convert to fraction form
    364,490.69/546,774.97 = 154,149.89/x
  3. Step 3: Cross multiply
    364,490.69x = 546,774.97 × 154,149.89
  4. Step 4: Simplify right side
    364,490.69x = 84,285,298,746.38
  5. Step 5: Solve for x
    x = 84,285,298,746.38/364,490.69
  6. Step 6: Final answer
    x = 231,241.30

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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.