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Finding the Fourth Proportional to 4,978,234.22, 7,464,848.43 and 2,901,603.61

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Solution

The fourth proportional to 4,978,234.22, 7,464,848.43 and 2,901,603.61 is: 4,350,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,234.22 : 7,464,848.43 = 2,901,603.61 : x
  2. Step 2: Convert to fraction form
    4,978,234.22/7,464,848.43 = 2,901,603.61/x
  3. Step 3: Cross multiply
    4,978,234.22x = 7,464,848.43 × 2,901,603.61
  4. Step 4: Simplify right side
    4,978,234.22x = 21,660,031,115,266.59
  5. Step 5: Solve for x
    x = 21,660,031,115,266.59/4,978,234.22
  6. Step 6: Final answer
    x = 4,350,946.57

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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.