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Finding the Fourth Proportional to 277,512.84, 382,967.55 and 156,655.17

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Solution

The fourth proportional to 277,512.84, 382,967.55 and 156,655.17 is: 216,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,512.84 : 382,967.55 = 156,655.17 : x
  2. Step 2: Convert to fraction form
    277,512.84/382,967.55 = 156,655.17/x
  3. Step 3: Cross multiply
    277,512.84x = 382,967.55 × 156,655.17
  4. Step 4: Simplify right side
    277,512.84x = 59,993,846,649.73
  5. Step 5: Solve for x
    x = 59,993,846,649.73/277,512.84
  6. Step 6: Final answer
    x = 216,184.04

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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.