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Finding the Fourth Proportional to 536,903.89, 805,360.68 and 162,926.89

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Solution

The fourth proportional to 536,903.89, 805,360.68 and 162,926.89 is: 244,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,903.89 : 805,360.68 = 162,926.89 : x
  2. Step 2: Convert to fraction form
    536,903.89/805,360.68 = 162,926.89/x
  3. Step 3: Cross multiply
    536,903.89x = 805,360.68 × 162,926.89
  4. Step 4: Simplify right side
    536,903.89x = 131,214,910,920.69
  5. Step 5: Solve for x
    x = 131,214,910,920.69/536,903.89
  6. Step 6: Final answer
    x = 244,391.81

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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.