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Finding the Fourth Proportional to 277,275.69, 382,611.72 and 204,717.18

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Solution

The fourth proportional to 277,275.69, 382,611.72 and 204,717.18 is: 282,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,275.69 : 382,611.72 = 204,717.18 : x
  2. Step 2: Convert to fraction form
    277,275.69/382,611.72 = 204,717.18/x
  3. Step 3: Cross multiply
    277,275.69x = 382,611.72 × 204,717.18
  4. Step 4: Simplify right side
    277,275.69x = 78,327,192,353.35
  5. Step 5: Solve for x
    x = 78,327,192,353.35/277,275.69
  6. Step 6: Final answer
    x = 282,488.49

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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.