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Finding the Fourth Proportional to 573,151.20, 860,601.60 and 440,181.60

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Solution

The fourth proportional to 573,151.20, 860,601.60 and 440,181.60 is: 660,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,151.20 : 860,601.60 = 440,181.60 : x
  2. Step 2: Convert to fraction form
    573,151.20/860,601.60 = 440,181.60/x
  3. Step 3: Cross multiply
    573,151.20x = 860,601.60 × 440,181.60
  4. Step 4: Simplify right side
    573,151.20x = 378,820,989,250.56
  5. Step 5: Solve for x
    x = 378,820,989,250.56/573,151.20
  6. Step 6: Final answer
    x = 660,944.25

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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.