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Finding the Fourth Proportional to 603,414.03, 905,107.02 and 303,814.17

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Solution

The fourth proportional to 603,414.03, 905,107.02 and 303,814.17 is: 455,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,414.03 : 905,107.02 = 303,814.17 : x
  2. Step 2: Convert to fraction form
    603,414.03/905,107.02 = 303,814.17/x
  3. Step 3: Cross multiply
    603,414.03x = 905,107.02 × 303,814.17
  4. Step 4: Simplify right side
    603,414.03x = 274,984,338,042.47
  5. Step 5: Solve for x
    x = 274,984,338,042.47/603,414.03
  6. Step 6: Final answer
    x = 455,714.19

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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.