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Finding the Fourth Proportional to 357,778.36, 493,213.90 and 250,013.96

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Solution

The fourth proportional to 357,778.36, 493,213.90 and 250,013.96 is: 344,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,778.36 : 493,213.90 = 250,013.96 : x
  2. Step 2: Convert to fraction form
    357,778.36/493,213.90 = 250,013.96/x
  3. Step 3: Cross multiply
    357,778.36x = 493,213.90 × 250,013.96
  4. Step 4: Simplify right side
    357,778.36x = 123,310,360,266.04
  5. Step 5: Solve for x
    x = 123,310,360,266.04/357,778.36
  6. Step 6: Final answer
    x = 344,655.73

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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.