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Finding the Fourth Proportional to 277,388.91, 382,806.45 and 156,523.14

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Solution

The fourth proportional to 277,388.91, 382,806.45 and 156,523.14 is: 216,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,388.91 : 382,806.45 = 156,523.14 : x
  2. Step 2: Convert to fraction form
    277,388.91/382,806.45 = 156,523.14/x
  3. Step 3: Cross multiply
    277,388.91x = 382,806.45 × 156,523.14
  4. Step 4: Simplify right side
    277,388.91x = 59,918,067,566.25
  5. Step 5: Solve for x
    x = 59,918,067,566.25/277,388.91
  6. Step 6: Final answer
    x = 216,007.44

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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.