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Finding the Fourth Proportional to 619,282.32, 854,791.08 and 404,455.80

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Solution

The fourth proportional to 619,282.32, 854,791.08 and 404,455.80 is: 558,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,282.32 : 854,791.08 = 404,455.80 : x
  2. Step 2: Convert to fraction form
    619,282.32/854,791.08 = 404,455.80/x
  3. Step 3: Cross multiply
    619,282.32x = 854,791.08 × 404,455.80
  4. Step 4: Simplify right side
    619,282.32x = 345,725,210,094.26
  5. Step 5: Solve for x
    x = 345,725,210,094.26/619,282.32
  6. Step 6: Final answer
    x = 558,267.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.