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Finding the Fourth Proportional to 531,226.31, 797,074.11 and 278,446.29

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Solution

The fourth proportional to 531,226.31, 797,074.11 and 278,446.29 is: 417,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,226.31 : 797,074.11 = 278,446.29 : x
  2. Step 2: Convert to fraction form
    531,226.31/797,074.11 = 278,446.29/x
  3. Step 3: Cross multiply
    531,226.31x = 797,074.11 × 278,446.29
  4. Step 4: Simplify right side
    531,226.31x = 221,942,328,784.55
  5. Step 5: Solve for x
    x = 221,942,328,784.55/531,226.31
  6. Step 6: Final answer
    x = 417,792.43

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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.