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Finding the Fourth Proportional to 570,099.20, 854,614.20 and 215,351.60

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Solution

The fourth proportional to 570,099.20, 854,614.20 and 215,351.60 is: 322,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,099.20 : 854,614.20 = 215,351.60 : x
  2. Step 2: Convert to fraction form
    570,099.20/854,614.20 = 215,351.60/x
  3. Step 3: Cross multiply
    570,099.20x = 854,614.20 × 215,351.60
  4. Step 4: Simplify right side
    570,099.20x = 184,042,535,352.72
  5. Step 5: Solve for x
    x = 184,042,535,352.72/570,099.20
  6. Step 6: Final answer
    x = 322,825.46

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1.5x scale

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.