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Finding the Fourth Proportional to 569,983.08, 854,410.80 and 269,936.40

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Solution

The fourth proportional to 569,983.08, 854,410.80 and 269,936.40 is: 404,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,983.08 : 854,410.80 = 269,936.40 : x
  2. Step 2: Convert to fraction form
    569,983.08/854,410.80 = 269,936.40/x
  3. Step 3: Cross multiply
    569,983.08x = 854,410.80 × 269,936.40
  4. Step 4: Simplify right side
    569,983.08x = 230,636,575,473.12
  5. Step 5: Solve for x
    x = 230,636,575,473.12/569,983.08
  6. Step 6: Final answer
    x = 404,637.58

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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.