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Finding the Fourth Proportional to 437,736.80, 656,240.70 and 185,211.20

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Solution

The fourth proportional to 437,736.80, 656,240.70 and 185,211.20 is: 277,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,736.80 : 656,240.70 = 185,211.20 : x
  2. Step 2: Convert to fraction form
    437,736.80/656,240.70 = 185,211.20/x
  3. Step 3: Cross multiply
    437,736.80x = 656,240.70 × 185,211.20
  4. Step 4: Simplify right side
    437,736.80x = 121,543,127,535.84
  5. Step 5: Solve for x
    x = 121,543,127,535.84/437,736.80
  6. Step 6: Final answer
    x = 277,662.58

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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.