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Finding the Fourth Proportional to 536,424.60, 804,734.10 and 269,513.40

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Solution

The fourth proportional to 536,424.60, 804,734.10 and 269,513.40 is: 404,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,424.60 : 804,734.10 = 269,513.40 : x
  2. Step 2: Convert to fraction form
    536,424.60/804,734.10 = 269,513.40/x
  3. Step 3: Cross multiply
    536,424.60x = 804,734.10 × 269,513.40
  4. Step 4: Simplify right side
    536,424.60x = 216,886,623,386.94
  5. Step 5: Solve for x
    x = 216,886,623,386.94/536,424.60
  6. Step 6: Final answer
    x = 404,318.94

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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.