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Finding the Fourth Proportional to 379,500.72, 569,230.56 and 192,507.36

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Solution

The fourth proportional to 379,500.72, 569,230.56 and 192,507.36 is: 288,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,500.72 : 569,230.56 = 192,507.36 : x
  2. Step 2: Convert to fraction form
    379,500.72/569,230.56 = 192,507.36/x
  3. Step 3: Cross multiply
    379,500.72x = 569,230.56 × 192,507.36
  4. Step 4: Simplify right side
    379,500.72x = 109,581,072,336.92
  5. Step 5: Solve for x
    x = 109,581,072,336.92/379,500.72
  6. Step 6: Final answer
    x = 288,750.63

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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.