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Finding the Fourth Proportional to 303,436.35, 455,646.60 and 204,037.20

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Solution

The fourth proportional to 303,436.35, 455,646.60 and 204,037.20 is: 306,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,436.35 : 455,646.60 = 204,037.20 : x
  2. Step 2: Convert to fraction form
    303,436.35/455,646.60 = 204,037.20/x
  3. Step 3: Cross multiply
    303,436.35x = 455,646.60 × 204,037.20
  4. Step 4: Simplify right side
    303,436.35x = 92,968,856,453.52
  5. Step 5: Solve for x
    x = 92,968,856,453.52/303,436.35
  6. Step 6: Final answer
    x = 306,386.68

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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.