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Finding the Fourth Proportional to 453,166.56, 679,840.56 and 253,770.48

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Solution

The fourth proportional to 453,166.56, 679,840.56 and 253,770.48 is: 380,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,166.56 : 679,840.56 = 253,770.48 : x
  2. Step 2: Convert to fraction form
    453,166.56/679,840.56 = 253,770.48/x
  3. Step 3: Cross multiply
    453,166.56x = 679,840.56 × 253,770.48
  4. Step 4: Simplify right side
    453,166.56x = 172,523,465,234.67
  5. Step 5: Solve for x
    x = 172,523,465,234.67/453,166.56
  6. Step 6: Final answer
    x = 380,706.52

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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.