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Finding the Fourth Proportional to 277,707.82, 416,475.60 and 100,191.76

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Solution

The fourth proportional to 277,707.82, 416,475.60 and 100,191.76 is: 150,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,707.82 : 416,475.60 = 100,191.76 : x
  2. Step 2: Convert to fraction form
    277,707.82/416,475.60 = 100,191.76/x
  3. Step 3: Cross multiply
    277,707.82x = 416,475.60 × 100,191.76
  4. Step 4: Simplify right side
    277,707.82x = 41,727,423,361.06
  5. Step 5: Solve for x
    x = 41,727,423,361.06/277,707.82
  6. Step 6: Final answer
    x = 150,256.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.