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Finding the Fourth Proportional to 536,422.60, 804,731.10 and 269,511.40

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Solution

The fourth proportional to 536,422.60, 804,731.10 and 269,511.40 is: 404,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,422.60 : 804,731.10 = 269,511.40 : x
  2. Step 2: Convert to fraction form
    536,422.60/804,731.10 = 269,511.40/x
  3. Step 3: Cross multiply
    536,422.60x = 804,731.10 × 269,511.40
  4. Step 4: Simplify right side
    536,422.60x = 216,884,205,384.54
  5. Step 5: Solve for x
    x = 216,884,205,384.54/536,422.60
  6. Step 6: Final answer
    x = 404,315.94

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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.