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Finding the Fourth Proportional to 619,270.90, 854,525.51 and 347,282.82

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Solution

The fourth proportional to 619,270.90, 854,525.51 and 347,282.82 is: 479,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,270.90 : 854,525.51 = 347,282.82 : x
  2. Step 2: Convert to fraction form
    619,270.90/854,525.51 = 347,282.82/x
  3. Step 3: Cross multiply
    619,270.90x = 854,525.51 × 347,282.82
  4. Step 4: Simplify right side
    619,270.90x = 296,762,028,440.64
  5. Step 5: Solve for x
    x = 296,762,028,440.64/619,270.90
  6. Step 6: Final answer
    x = 479,211.97

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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.