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Finding the Fourth Proportional to 277,500.62, 382,961.82 and 156,646.22

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Solution

The fourth proportional to 277,500.62, 382,961.82 and 156,646.22 is: 216,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,500.62 : 382,961.82 = 156,646.22 : x
  2. Step 2: Convert to fraction form
    277,500.62/382,961.82 = 156,646.22/x
  3. Step 3: Cross multiply
    277,500.62x = 382,961.82 × 156,646.22
  4. Step 4: Simplify right side
    277,500.62x = 59,989,521,507.32
  5. Step 5: Solve for x
    x = 59,989,521,507.32/277,500.62
  6. Step 6: Final answer
    x = 216,177.97

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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.