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Finding the Fourth Proportional to 277,480.20, 416,203.21 and 170,884.47

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Solution

The fourth proportional to 277,480.20, 416,203.21 and 170,884.47 is: 256,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,480.20 : 416,203.21 = 170,884.47 : x
  2. Step 2: Convert to fraction form
    277,480.20/416,203.21 = 170,884.47/x
  3. Step 3: Cross multiply
    277,480.20x = 416,203.21 × 170,884.47
  4. Step 4: Simplify right side
    277,480.20x = 71,122,664,953.15
  5. Step 5: Solve for x
    x = 71,122,664,953.15/277,480.20
  6. Step 6: Final answer
    x = 256,316.18

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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.