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Finding the Fourth Proportional to 253,335.87, 349,201.53 and 199,535.67

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Solution

The fourth proportional to 253,335.87, 349,201.53 and 199,535.67 is: 275,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,335.87 : 349,201.53 = 199,535.67 : x
  2. Step 2: Convert to fraction form
    253,335.87/349,201.53 = 199,535.67/x
  3. Step 3: Cross multiply
    253,335.87x = 349,201.53 × 199,535.67
  4. Step 4: Simplify right side
    253,335.87x = 69,678,161,253.58
  5. Step 5: Solve for x
    x = 69,678,161,253.58/253,335.87
  6. Step 6: Final answer
    x = 275,042.62

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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.