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Finding the Fourth Proportional to 569,772.96, 854,410.32 and 270,339.12

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Solution

The fourth proportional to 569,772.96, 854,410.32 and 270,339.12 is: 405,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,772.96 : 854,410.32 = 270,339.12 : x
  2. Step 2: Convert to fraction form
    569,772.96/854,410.32 = 270,339.12/x
  3. Step 3: Cross multiply
    569,772.96x = 854,410.32 × 270,339.12
  4. Step 4: Simplify right side
    569,772.96x = 230,980,534,027.72
  5. Step 5: Solve for x
    x = 230,980,534,027.72/569,772.96
  6. Step 6: Final answer
    x = 405,390.48

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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.