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Finding the Fourth Proportional to 541,522.14, 812,808.09 and 261,236.22

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Solution

The fourth proportional to 541,522.14, 812,808.09 and 261,236.22 is: 392,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,522.14 : 812,808.09 = 261,236.22 : x
  2. Step 2: Convert to fraction form
    541,522.14/812,808.09 = 261,236.22/x
  3. Step 3: Cross multiply
    541,522.14x = 812,808.09 × 261,236.22
  4. Step 4: Simplify right side
    541,522.14x = 212,334,913,017.02
  5. Step 5: Solve for x
    x = 212,334,913,017.02/541,522.14
  6. Step 6: Final answer
    x = 392,107.54

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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.