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Finding the Fourth Proportional to 277,219.01, 382,562.51 and 149,894.57

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Solution

The fourth proportional to 277,219.01, 382,562.51 and 149,894.57 is: 206,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,219.01 : 382,562.51 = 149,894.57 : x
  2. Step 2: Convert to fraction form
    277,219.01/382,562.51 = 149,894.57/x
  3. Step 3: Cross multiply
    277,219.01x = 382,562.51 × 149,894.57
  4. Step 4: Simplify right side
    277,219.01x = 57,344,042,934.57
  5. Step 5: Solve for x
    x = 57,344,042,934.57/277,219.01
  6. Step 6: Final answer
    x = 206,854.66

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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.