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Finding the Fourth Proportional to 531,562.54, 796,779.85 and 261,309.55

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Solution

The fourth proportional to 531,562.54, 796,779.85 and 261,309.55 is: 391,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,562.54 : 796,779.85 = 261,309.55 : x
  2. Step 2: Convert to fraction form
    531,562.54/796,779.85 = 261,309.55/x
  3. Step 3: Cross multiply
    531,562.54x = 796,779.85 × 261,309.55
  4. Step 4: Simplify right side
    531,562.54x = 208,206,184,052.57
  5. Step 5: Solve for x
    x = 208,206,184,052.57/531,562.54
  6. Step 6: Final answer
    x = 391,687.09

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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.