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Finding the Fourth Proportional to 416,090.48, 573,939.96 and 272,859.44

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Solution

The fourth proportional to 416,090.48, 573,939.96 and 272,859.44 is: 376,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,090.48 : 573,939.96 = 272,859.44 : x
  2. Step 2: Convert to fraction form
    416,090.48/573,939.96 = 272,859.44/x
  3. Step 3: Cross multiply
    416,090.48x = 573,939.96 × 272,859.44
  4. Step 4: Simplify right side
    416,090.48x = 156,604,936,079.22
  5. Step 5: Solve for x
    x = 156,604,936,079.22/416,090.48
  6. Step 6: Final answer
    x = 376,372.31

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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.