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Finding the Fourth Proportional to 316,234.88, 436,414.48 and 180,266.36

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Solution

The fourth proportional to 316,234.88, 436,414.48 and 180,266.36 is: 248,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,234.88 : 436,414.48 = 180,266.36 : x
  2. Step 2: Convert to fraction form
    316,234.88/436,414.48 = 180,266.36/x
  3. Step 3: Cross multiply
    316,234.88x = 436,414.48 × 180,266.36
  4. Step 4: Simplify right side
    316,234.88x = 78,670,850,596.98
  5. Step 5: Solve for x
    x = 78,670,850,596.98/316,234.88
  6. Step 6: Final answer
    x = 248,773.47

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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.