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Finding the Fourth Proportional to 437,106.60, 603,255.06 and 275,953.32

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Solution

The fourth proportional to 437,106.60, 603,255.06 and 275,953.32 is: 380,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,106.60 : 603,255.06 = 275,953.32 : x
  2. Step 2: Convert to fraction form
    437,106.60/603,255.06 = 275,953.32/x
  3. Step 3: Cross multiply
    437,106.60x = 603,255.06 × 275,953.32
  4. Step 4: Simplify right side
    437,106.60x = 166,470,236,613.80
  5. Step 5: Solve for x
    x = 166,470,236,613.80/437,106.60
  6. Step 6: Final answer
    x = 380,845.85

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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.