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Finding the Fourth Proportional to 652,942.72, 979,422.72 and 372,125.44

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Solution

The fourth proportional to 652,942.72, 979,422.72 and 372,125.44 is: 558,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,942.72 : 979,422.72 = 372,125.44 : x
  2. Step 2: Convert to fraction form
    652,942.72/979,422.72 = 372,125.44/x
  3. Step 3: Cross multiply
    652,942.72x = 979,422.72 × 372,125.44
  4. Step 4: Simplify right side
    652,942.72x = 364,468,110,626.00
  5. Step 5: Solve for x
    x = 364,468,110,626.00/652,942.72
  6. Step 6: Final answer
    x = 558,193.08

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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.