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Finding the Fourth Proportional to 465,300.15, 641,950.68 and 304,249.47

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Solution

The fourth proportional to 465,300.15, 641,950.68 and 304,249.47 is: 419,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,300.15 : 641,950.68 = 304,249.47 : x
  2. Step 2: Convert to fraction form
    465,300.15/641,950.68 = 304,249.47/x
  3. Step 3: Cross multiply
    465,300.15x = 641,950.68 × 304,249.47
  4. Step 4: Simplify right side
    465,300.15x = 195,313,154,156.14
  5. Step 5: Solve for x
    x = 195,313,154,156.14/465,300.15
  6. Step 6: Final answer
    x = 419,757.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.