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Finding the Fourth Proportional to 269,994.99, 404,986.98 and 70,310.94

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Solution

The fourth proportional to 269,994.99, 404,986.98 and 70,310.94 is: 105,464.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,994.99 : 404,986.98 = 70,310.94 : x
  2. Step 2: Convert to fraction form
    269,994.99/404,986.98 = 70,310.94/x
  3. Step 3: Cross multiply
    269,994.99x = 404,986.98 × 70,310.94
  4. Step 4: Simplify right side
    269,994.99x = 28,475,015,251.56
  5. Step 5: Solve for x
    x = 28,475,015,251.56/269,994.99
  6. Step 6: Final answer
    x = 105,464.98

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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.