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Finding the Fourth Proportional to 660,183.52, 911,074.84 and 373,697.44

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Solution

The fourth proportional to 660,183.52, 911,074.84 and 373,697.44 is: 515,714.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,183.52 : 911,074.84 = 373,697.44 : x
  2. Step 2: Convert to fraction form
    660,183.52/911,074.84 = 373,697.44/x
  3. Step 3: Cross multiply
    660,183.52x = 911,074.84 × 373,697.44
  4. Step 4: Simplify right side
    660,183.52x = 340,466,335,356.41
  5. Step 5: Solve for x
    x = 340,466,335,356.41/660,183.52
  6. Step 6: Final answer
    x = 515,714.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.