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Finding the Fourth Proportional to 356,407.44, 491,840.82 and 195,262.26

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Solution

The fourth proportional to 356,407.44, 491,840.82 and 195,262.26 is: 269,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,407.44 : 491,840.82 = 195,262.26 : x
  2. Step 2: Convert to fraction form
    356,407.44/491,840.82 = 195,262.26/x
  3. Step 3: Cross multiply
    356,407.44x = 491,840.82 × 195,262.26
  4. Step 4: Simplify right side
    356,407.44x = 96,037,950,073.45
  5. Step 5: Solve for x
    x = 96,037,950,073.45/356,407.44
  6. Step 6: Final answer
    x = 269,461.13

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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.