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Finding the Fourth Proportional to 304,992.84, 457,359.66 and 124,954.32

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Solution

The fourth proportional to 304,992.84, 457,359.66 and 124,954.32 is: 187,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,992.84 : 457,359.66 = 124,954.32 : x
  2. Step 2: Convert to fraction form
    304,992.84/457,359.66 = 124,954.32/x
  3. Step 3: Cross multiply
    304,992.84x = 457,359.66 × 124,954.32
  4. Step 4: Simplify right side
    304,992.84x = 57,149,065,310.73
  5. Step 5: Solve for x
    x = 57,149,065,310.73/304,992.84
  6. Step 6: Final answer
    x = 187,378.38

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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.