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Finding the Fourth Proportional to 301,348.56, 452,314.50 and 221,631.60

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Solution

The fourth proportional to 301,348.56, 452,314.50 and 221,631.60 is: 332,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,348.56 : 452,314.50 = 221,631.60 : x
  2. Step 2: Convert to fraction form
    301,348.56/452,314.50 = 221,631.60/x
  3. Step 3: Cross multiply
    301,348.56x = 452,314.50 × 221,631.60
  4. Step 4: Simplify right side
    301,348.56x = 100,247,186,338.20
  5. Step 5: Solve for x
    x = 100,247,186,338.20/301,348.56
  6. Step 6: Final answer
    x = 332,661.91

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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.