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Finding the Fourth Proportional to 356,153.82, 491,492.16 and 195,008.82

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Solution

The fourth proportional to 356,153.82, 491,492.16 and 195,008.82 is: 269,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,153.82 : 491,492.16 = 195,008.82 : x
  2. Step 2: Convert to fraction form
    356,153.82/491,492.16 = 195,008.82/x
  3. Step 3: Cross multiply
    356,153.82x = 491,492.16 × 195,008.82
  4. Step 4: Simplify right side
    356,153.82x = 95,845,306,160.85
  5. Step 5: Solve for x
    x = 95,845,306,160.85/356,153.82
  6. Step 6: Final answer
    x = 269,112.11

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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.