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Finding the Fourth Proportional to 364,603.98, 546,960.66 and 127,904.96

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Solution

The fourth proportional to 364,603.98, 546,960.66 and 127,904.96 is: 191,876.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,603.98 : 546,960.66 = 127,904.96 : x
  2. Step 2: Convert to fraction form
    364,603.98/546,960.66 = 127,904.96/x
  3. Step 3: Cross multiply
    364,603.98x = 546,960.66 × 127,904.96
  4. Step 4: Simplify right side
    364,603.98x = 69,958,981,338.87
  5. Step 5: Solve for x
    x = 69,958,981,338.87/364,603.98
  6. Step 6: Final answer
    x = 191,876.63

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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.