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Finding the Fourth Proportional to 437,709.30, 656,199.45 and 185,183.70

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Solution

The fourth proportional to 437,709.30, 656,199.45 and 185,183.70 is: 277,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,709.30 : 656,199.45 = 185,183.70 : x
  2. Step 2: Convert to fraction form
    437,709.30/656,199.45 = 185,183.70/x
  3. Step 3: Cross multiply
    437,709.30x = 656,199.45 × 185,183.70
  4. Step 4: Simplify right side
    437,709.30x = 121,517,442,088.97
  5. Step 5: Solve for x
    x = 121,517,442,088.97/437,709.30
  6. Step 6: Final answer
    x = 277,621.34

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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.