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Finding the Fourth Proportional to 366,817.60, 550,323.60 and 130,135.60

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Solution

The fourth proportional to 366,817.60, 550,323.60 and 130,135.60 is: 195,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,817.60 : 550,323.60 = 130,135.60 : x
  2. Step 2: Convert to fraction form
    366,817.60/550,323.60 = 130,135.60/x
  3. Step 3: Cross multiply
    366,817.60x = 550,323.60 × 130,135.60
  4. Step 4: Simplify right side
    366,817.60x = 71,616,691,880.16
  5. Step 5: Solve for x
    x = 71,616,691,880.16/366,817.60
  6. Step 6: Final answer
    x = 195,237.88

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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.