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Finding the Fourth Proportional to 536,676.60, 805,112.10 and 269,765.40

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Solution

The fourth proportional to 536,676.60, 805,112.10 and 269,765.40 is: 404,696.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,676.60 : 805,112.10 = 269,765.40 : x
  2. Step 2: Convert to fraction form
    536,676.60/805,112.10 = 269,765.40/x
  3. Step 3: Cross multiply
    536,676.60x = 805,112.10 × 269,765.40
  4. Step 4: Simplify right side
    536,676.60x = 217,191,387,701.34
  5. Step 5: Solve for x
    x = 217,191,387,701.34/536,676.60
  6. Step 6: Final answer
    x = 404,696.96

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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.