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Finding the Fourth Proportional to 372,603.60, 558,992.16 and 106,367.76

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Solution

The fourth proportional to 372,603.60, 558,992.16 and 106,367.76 is: 159,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,603.60 : 558,992.16 = 106,367.76 : x
  2. Step 2: Convert to fraction form
    372,603.60/558,992.16 = 106,367.76/x
  3. Step 3: Cross multiply
    372,603.60x = 558,992.16 × 106,367.76
  4. Step 4: Simplify right side
    372,603.60x = 59,458,743,916.76
  5. Step 5: Solve for x
    x = 59,458,743,916.76/372,603.60
  6. Step 6: Final answer
    x = 159,576.41

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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.