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Finding the Fourth Proportional to 277,013.73, 382,255.95 and 156,184.74

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Solution

The fourth proportional to 277,013.73, 382,255.95 and 156,184.74 is: 215,521.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,013.73 : 382,255.95 = 156,184.74 : x
  2. Step 2: Convert to fraction form
    277,013.73/382,255.95 = 156,184.74/x
  3. Step 3: Cross multiply
    277,013.73x = 382,255.95 × 156,184.74
  4. Step 4: Simplify right side
    277,013.73x = 59,702,546,164.20
  5. Step 5: Solve for x
    x = 59,702,546,164.20/277,013.73
  6. Step 6: Final answer
    x = 215,521.97

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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.