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Finding the Fourth Proportional to 364,079.70, 546,362.48 and 127,422.41

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Solution

The fourth proportional to 364,079.70, 546,362.48 and 127,422.41 is: 191,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,079.70 : 546,362.48 = 127,422.41 : x
  2. Step 2: Convert to fraction form
    364,079.70/546,362.48 = 127,422.41/x
  3. Step 3: Cross multiply
    364,079.70x = 546,362.48 × 127,422.41
  4. Step 4: Simplify right side
    364,079.70x = 69,618,821,521.92
  5. Step 5: Solve for x
    x = 69,618,821,521.92/364,079.70
  6. Step 6: Final answer
    x = 191,218.63

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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.