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Finding the Fourth Proportional to 349,481.48, 524,222.76 and 149,786.24

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Solution

The fourth proportional to 349,481.48, 524,222.76 and 149,786.24 is: 224,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,481.48 : 524,222.76 = 149,786.24 : x
  2. Step 2: Convert to fraction form
    349,481.48/524,222.76 = 149,786.24/x
  3. Step 3: Cross multiply
    349,481.48x = 524,222.76 × 149,786.24
  4. Step 4: Simplify right side
    349,481.48x = 78,521,356,142.82
  5. Step 5: Solve for x
    x = 78,521,356,142.82/349,481.48
  6. Step 6: Final answer
    x = 224,679.59

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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.