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Finding the Fourth Proportional to 536,367.89, 804,551.02 and 137,008.76

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Solution

The fourth proportional to 536,367.89, 804,551.02 and 137,008.76 is: 205,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,367.89 : 804,551.02 = 137,008.76 : x
  2. Step 2: Convert to fraction form
    536,367.89/804,551.02 = 137,008.76/x
  3. Step 3: Cross multiply
    536,367.89x = 804,551.02 × 137,008.76
  4. Step 4: Simplify right side
    536,367.89x = 110,230,533,241.66
  5. Step 5: Solve for x
    x = 110,230,533,241.66/536,367.89
  6. Step 6: Final answer
    x = 205,512.92

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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.