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Finding the Fourth Proportional to 607,550.60, 911,325.90 and 186,771.80

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Solution

The fourth proportional to 607,550.60, 911,325.90 and 186,771.80 is: 280,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,550.60 : 911,325.90 = 186,771.80 : x
  2. Step 2: Convert to fraction form
    607,550.60/911,325.90 = 186,771.80/x
  3. Step 3: Cross multiply
    607,550.60x = 911,325.90 × 186,771.80
  4. Step 4: Simplify right side
    607,550.60x = 170,209,978,729.62
  5. Step 5: Solve for x
    x = 170,209,978,729.62/607,550.60
  6. Step 6: Final answer
    x = 280,157.70

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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.