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Finding the Fourth Proportional to 307,999.08, 425,045.70 and 180,766.44

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Solution

The fourth proportional to 307,999.08, 425,045.70 and 180,766.44 is: 249,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,999.08 : 425,045.70 = 180,766.44 : x
  2. Step 2: Convert to fraction form
    307,999.08/425,045.70 = 180,766.44/x
  3. Step 3: Cross multiply
    307,999.08x = 425,045.70 × 180,766.44
  4. Step 4: Simplify right side
    307,999.08x = 76,833,998,026.31
  5. Step 5: Solve for x
    x = 76,833,998,026.31/307,999.08
  6. Step 6: Final answer
    x = 249,461.78

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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.