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Finding the Fourth Proportional to 303,998.90, 455,998.35 and 204,466.10

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Solution

The fourth proportional to 303,998.90, 455,998.35 and 204,466.10 is: 306,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,998.90 : 455,998.35 = 204,466.10 : x
  2. Step 2: Convert to fraction form
    303,998.90/455,998.35 = 204,466.10/x
  3. Step 3: Cross multiply
    303,998.90x = 455,998.35 × 204,466.10
  4. Step 4: Simplify right side
    303,998.90x = 93,236,204,230.94
  5. Step 5: Solve for x
    x = 93,236,204,230.94/303,998.90
  6. Step 6: Final answer
    x = 306,699.15

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1.5x scale

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.