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Finding the Fourth Proportional to 325,897.82, 449,731.30 and 180,702.89

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Solution

The fourth proportional to 325,897.82, 449,731.30 and 180,702.89 is: 249,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,897.82 : 449,731.30 = 180,702.89 : x
  2. Step 2: Convert to fraction form
    325,897.82/449,731.30 = 180,702.89/x
  3. Step 3: Cross multiply
    325,897.82x = 449,731.30 × 180,702.89
  4. Step 4: Simplify right side
    325,897.82x = 81,267,745,633.46
  5. Step 5: Solve for x
    x = 81,267,745,633.46/325,897.82
  6. Step 6: Final answer
    x = 249,365.72

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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.