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Finding the Fourth Proportional to 275,122.60, 412,683.90 and 233,132.20

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Solution

The fourth proportional to 275,122.60, 412,683.90 and 233,132.20 is: 349,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,122.60 : 412,683.90 = 233,132.20 : x
  2. Step 2: Convert to fraction form
    275,122.60/412,683.90 = 233,132.20/x
  3. Step 3: Cross multiply
    275,122.60x = 412,683.90 × 233,132.20
  4. Step 4: Simplify right side
    275,122.60x = 96,209,905,511.58
  5. Step 5: Solve for x
    x = 96,209,905,511.58/275,122.60
  6. Step 6: Final answer
    x = 349,698.30

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Similar ratio
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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.