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Finding the Fourth Proportional to 277,457.80, 382,893.10 and 156,604.20

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Solution

The fourth proportional to 277,457.80, 382,893.10 and 156,604.20 is: 216,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,457.80 : 382,893.10 = 156,604.20 : x
  2. Step 2: Convert to fraction form
    277,457.80/382,893.10 = 156,604.20/x
  3. Step 3: Cross multiply
    277,457.80x = 382,893.10 × 156,604.20
  4. Step 4: Simplify right side
    277,457.80x = 59,962,667,611.02
  5. Step 5: Solve for x
    x = 59,962,667,611.02/277,457.80
  6. Step 6: Final answer
    x = 216,114.55

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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.