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Finding the Fourth Proportional to 503,611.28, 694,981.68 and 277,256.96

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Solution

The fourth proportional to 503,611.28, 694,981.68 and 277,256.96 is: 382,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,611.28 : 694,981.68 = 277,256.96 : x
  2. Step 2: Convert to fraction form
    503,611.28/694,981.68 = 277,256.96/x
  3. Step 3: Cross multiply
    503,611.28x = 694,981.68 × 277,256.96
  4. Step 4: Simplify right side
    503,611.28x = 192,688,507,852.49
  5. Step 5: Solve for x
    x = 192,688,507,852.49/503,611.28
  6. Step 6: Final answer
    x = 382,613.57

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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.