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Finding the Fourth Proportional to 353,552.40, 529,745.40 and 301,064.40

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Solution

The fourth proportional to 353,552.40, 529,745.40 and 301,064.40 is: 451,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,552.40 : 529,745.40 = 301,064.40 : x
  2. Step 2: Convert to fraction form
    353,552.40/529,745.40 = 301,064.40/x
  3. Step 3: Cross multiply
    353,552.40x = 529,745.40 × 301,064.40
  4. Step 4: Simplify right side
    353,552.40x = 159,487,481,003.76
  5. Step 5: Solve for x
    x = 159,487,481,003.76/353,552.40
  6. Step 6: Final answer
    x = 451,099.98

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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.