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Finding the Fourth Proportional to 277,498.62, 382,959.06 and 156,644.22

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Solution

The fourth proportional to 277,498.62, 382,959.06 and 156,644.22 is: 216,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,498.62 : 382,959.06 = 156,644.22 : x
  2. Step 2: Convert to fraction form
    277,498.62/382,959.06 = 156,644.22/x
  3. Step 3: Cross multiply
    277,498.62x = 382,959.06 × 156,644.22
  4. Step 4: Simplify right side
    277,498.62x = 59,988,323,245.63
  5. Step 5: Solve for x
    x = 59,988,323,245.63/277,498.62
  6. Step 6: Final answer
    x = 216,175.21

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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.