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Finding the Fourth Proportional to 569,456.80, 854,185.20 and 360,023.20

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Solution

The fourth proportional to 569,456.80, 854,185.20 and 360,023.20 is: 540,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,456.80 : 854,185.20 = 360,023.20 : x
  2. Step 2: Convert to fraction form
    569,456.80/854,185.20 = 360,023.20/x
  3. Step 3: Cross multiply
    569,456.80x = 854,185.20 × 360,023.20
  4. Step 4: Simplify right side
    569,456.80x = 307,526,489,096.64
  5. Step 5: Solve for x
    x = 307,526,489,096.64/569,456.80
  6. Step 6: Final answer
    x = 540,034.80

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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.