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Finding the Fourth Proportional to 364,046.39, 546,315.62 and 127,391.12

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Solution

The fourth proportional to 364,046.39, 546,315.62 and 127,391.12 is: 191,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,046.39 : 546,315.62 = 127,391.12 : x
  2. Step 2: Convert to fraction form
    364,046.39/546,315.62 = 127,391.12/x
  3. Step 3: Cross multiply
    364,046.39x = 546,315.62 × 127,391.12
  4. Step 4: Simplify right side
    364,046.39x = 69,595,755,973.72
  5. Step 5: Solve for x
    x = 69,595,755,973.72/364,046.39
  6. Step 6: Final answer
    x = 191,172.77

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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.