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Finding the Fourth Proportional to 277,193.91, 382,528.15 and 149,869.50

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Solution

The fourth proportional to 277,193.91, 382,528.15 and 149,869.50 is: 206,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,193.91 : 382,528.15 = 149,869.50 : x
  2. Step 2: Convert to fraction form
    277,193.91/382,528.15 = 149,869.50/x
  3. Step 3: Cross multiply
    277,193.91x = 382,528.15 × 149,869.50
  4. Step 4: Simplify right side
    277,193.91x = 57,329,302,576.43
  5. Step 5: Solve for x
    x = 57,329,302,576.43/277,193.91
  6. Step 6: Final answer
    x = 206,820.21

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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.