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Finding the Fourth Proportional to 372,974.36, 559,460.93 and 92,491.61

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Solution

The fourth proportional to 372,974.36, 559,460.93 and 92,491.61 is: 138,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,974.36 : 559,460.93 = 92,491.61 : x
  2. Step 2: Convert to fraction form
    372,974.36/559,460.93 = 92,491.61/x
  3. Step 3: Cross multiply
    372,974.36x = 559,460.93 × 92,491.61
  4. Step 4: Simplify right side
    372,974.36x = 51,745,438,888.03
  5. Step 5: Solve for x
    x = 51,745,438,888.03/372,974.36
  6. Step 6: Final answer
    x = 138,737.26

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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.