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Finding the Fourth Proportional to 437,785.80, 656,314.20 and 185,260.20

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Solution

The fourth proportional to 437,785.80, 656,314.20 and 185,260.20 is: 277,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,785.80 : 656,314.20 = 185,260.20 : x
  2. Step 2: Convert to fraction form
    437,785.80/656,314.20 = 185,260.20/x
  3. Step 3: Cross multiply
    437,785.80x = 656,314.20 × 185,260.20
  4. Step 4: Simplify right side
    437,785.80x = 121,588,899,954.84
  5. Step 5: Solve for x
    x = 121,588,899,954.84/437,785.80
  6. Step 6: Final answer
    x = 277,736.05

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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.