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Finding the Fourth Proportional to 452,310.94, 678,362.75 and 269,993.21

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Solution

The fourth proportional to 452,310.94, 678,362.75 and 269,993.21 is: 404,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,310.94 : 678,362.75 = 269,993.21 : x
  2. Step 2: Convert to fraction form
    452,310.94/678,362.75 = 269,993.21/x
  3. Step 3: Cross multiply
    452,310.94x = 678,362.75 × 269,993.21
  4. Step 4: Simplify right side
    452,310.94x = 183,153,335,066.96
  5. Step 5: Solve for x
    x = 183,153,335,066.96/452,310.94
  6. Step 6: Final answer
    x = 404,927.94

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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.