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Finding the Fourth Proportional to 277,182.91, 382,525.44 and 156,321.70

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Solution

The fourth proportional to 277,182.91, 382,525.44 and 156,321.70 is: 215,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,182.91 : 382,525.44 = 156,321.70 : x
  2. Step 2: Convert to fraction form
    277,182.91/382,525.44 = 156,321.70/x
  3. Step 3: Cross multiply
    277,182.91x = 382,525.44 × 156,321.70
  4. Step 4: Simplify right side
    277,182.91x = 59,797,025,531.53
  5. Step 5: Solve for x
    x = 59,797,025,531.53/277,182.91
  6. Step 6: Final answer
    x = 215,731.28

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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.