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Finding the Fourth Proportional to 331,481.84, 457,444.89 and 180,578.84

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Solution

The fourth proportional to 331,481.84, 457,444.89 and 180,578.84 is: 249,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,481.84 : 457,444.89 = 180,578.84 : x
  2. Step 2: Convert to fraction form
    331,481.84/457,444.89 = 180,578.84/x
  3. Step 3: Cross multiply
    331,481.84x = 457,444.89 × 180,578.84
  4. Step 4: Simplify right side
    331,481.84x = 82,604,865,312.90
  5. Step 5: Solve for x
    x = 82,604,865,312.90/331,481.84
  6. Step 6: Final answer
    x = 249,198.77

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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.