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Finding the Fourth Proportional to 364,046.89, 546,316.37 and 127,391.62

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Solution

The fourth proportional to 364,046.89, 546,316.37 and 127,391.62 is: 191,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,046.89 : 546,316.37 = 127,391.62 : x
  2. Step 2: Convert to fraction form
    364,046.89/546,316.37 = 127,391.62/x
  3. Step 3: Cross multiply
    364,046.89x = 546,316.37 × 127,391.62
  4. Step 4: Simplify right side
    364,046.89x = 69,596,124,675.24
  5. Step 5: Solve for x
    x = 69,596,124,675.24/364,046.89
  6. Step 6: Final answer
    x = 191,173.52

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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.