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Finding the Fourth Proportional to 536,478.10, 804,814.35 and 269,566.90

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Solution

The fourth proportional to 536,478.10, 804,814.35 and 269,566.90 is: 404,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,478.10 : 804,814.35 = 269,566.90 : x
  2. Step 2: Convert to fraction form
    536,478.10/804,814.35 = 269,566.90/x
  3. Step 3: Cross multiply
    536,478.10x = 804,814.35 × 269,566.90
  4. Step 4: Simplify right side
    536,478.10x = 216,951,309,405.02
  5. Step 5: Solve for x
    x = 216,951,309,405.02/536,478.10
  6. Step 6: Final answer
    x = 404,399.19

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1.5x scale

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.