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Finding the Fourth Proportional to 536,906.39, 805,364.43 and 162,929.39

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Solution

The fourth proportional to 536,906.39, 805,364.43 and 162,929.39 is: 244,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,906.39 : 805,364.43 = 162,929.39 : x
  2. Step 2: Convert to fraction form
    536,906.39/805,364.43 = 162,929.39/x
  3. Step 3: Cross multiply
    536,906.39x = 805,364.43 × 162,929.39
  4. Step 4: Simplify right side
    536,906.39x = 131,217,535,307.60
  5. Step 5: Solve for x
    x = 131,217,535,307.60/536,906.39
  6. Step 6: Final answer
    x = 244,395.56

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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.