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Finding the Fourth Proportional to 293,250.75, 404,688.20 and 159,114.75

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Solution

The fourth proportional to 293,250.75, 404,688.20 and 159,114.75 is: 219,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,250.75 : 404,688.20 = 159,114.75 : x
  2. Step 2: Convert to fraction form
    293,250.75/404,688.20 = 159,114.75/x
  3. Step 3: Cross multiply
    293,250.75x = 404,688.20 × 159,114.75
  4. Step 4: Simplify right side
    293,250.75x = 64,391,860,975.38
  5. Step 5: Solve for x
    x = 64,391,860,975.38/293,250.75
  6. Step 6: Final answer
    x = 219,579.53

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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.