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Finding the Fourth Proportional to 647,237.60, 970,683.60 and 226,469.60

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Solution

The fourth proportional to 647,237.60, 970,683.60 and 226,469.60 is: 339,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,237.60 : 970,683.60 = 226,469.60 : x
  2. Step 2: Convert to fraction form
    647,237.60/970,683.60 = 226,469.60/x
  3. Step 3: Cross multiply
    647,237.60x = 970,683.60 × 226,469.60
  4. Step 4: Simplify right side
    647,237.60x = 219,830,326,618.56
  5. Step 5: Solve for x
    x = 219,830,326,618.56/647,237.60
  6. Step 6: Final answer
    x = 339,643.94

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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.