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Finding the Fourth Proportional to 364,046.92, 546,316.43 and 127,391.65

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Solution

The fourth proportional to 364,046.92, 546,316.43 and 127,391.65 is: 191,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,046.92 : 546,316.43 = 127,391.65 : x
  2. Step 2: Convert to fraction form
    364,046.92/546,316.43 = 127,391.65/x
  3. Step 3: Cross multiply
    364,046.92x = 546,316.43 × 127,391.65
  4. Step 4: Simplify right side
    364,046.92x = 69,596,149,437.06
  5. Step 5: Solve for x
    x = 69,596,149,437.06/364,046.92
  6. Step 6: Final answer
    x = 191,173.57

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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.