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Finding the Fourth Proportional to 403,311.22, 604,825.81 and 118,926.29

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Solution

The fourth proportional to 403,311.22, 604,825.81 and 118,926.29 is: 178,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,311.22 : 604,825.81 = 118,926.29 : x
  2. Step 2: Convert to fraction form
    403,311.22/604,825.81 = 118,926.29/x
  3. Step 3: Cross multiply
    403,311.22x = 604,825.81 × 118,926.29
  4. Step 4: Simplify right side
    403,311.22x = 71,929,689,679.54
  5. Step 5: Solve for x
    x = 71,929,689,679.54/403,311.22
  6. Step 6: Final answer
    x = 178,347.85

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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.