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Finding the Fourth Proportional to 531,229.08, 797,311.08 and 278,690.04

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Solution

The fourth proportional to 531,229.08, 797,311.08 and 278,690.04 is: 418,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,229.08 : 797,311.08 = 278,690.04 : x
  2. Step 2: Convert to fraction form
    531,229.08/797,311.08 = 278,690.04/x
  3. Step 3: Cross multiply
    531,229.08x = 797,311.08 × 278,690.04
  4. Step 4: Simplify right side
    531,229.08x = 222,202,656,777.64
  5. Step 5: Solve for x
    x = 222,202,656,777.64/531,229.08
  6. Step 6: Final answer
    x = 418,280.30

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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.