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Finding the Fourth Proportional to 357,777.38, 493,212.50 and 250,012.94

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Solution

The fourth proportional to 357,777.38, 493,212.50 and 250,012.94 is: 344,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,777.38 : 493,212.50 = 250,012.94 : x
  2. Step 2: Convert to fraction form
    357,777.38/493,212.50 = 250,012.94/x
  3. Step 3: Cross multiply
    357,777.38x = 493,212.50 × 250,012.94
  4. Step 4: Simplify right side
    357,777.38x = 123,309,507,169.75
  5. Step 5: Solve for x
    x = 123,309,507,169.75/357,777.38
  6. Step 6: Final answer
    x = 344,654.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.