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Finding the Fourth Proportional to 453,885.12, 680,826.96 and 187,352.64

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Solution

The fourth proportional to 453,885.12, 680,826.96 and 187,352.64 is: 281,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,885.12 : 680,826.96 = 187,352.64 : x
  2. Step 2: Convert to fraction form
    453,885.12/680,826.96 = 187,352.64/x
  3. Step 3: Cross multiply
    453,885.12x = 680,826.96 × 187,352.64
  4. Step 4: Simplify right side
    453,885.12x = 127,554,728,339.17
  5. Step 5: Solve for x
    x = 127,554,728,339.17/453,885.12
  6. Step 6: Final answer
    x = 281,028.66

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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.