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Finding the Fourth Proportional to 311,037.80, 466,556.70 and 248,829.80

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Solution

The fourth proportional to 311,037.80, 466,556.70 and 248,829.80 is: 373,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,037.80 : 466,556.70 = 248,829.80 : x
  2. Step 2: Convert to fraction form
    311,037.80/466,556.70 = 248,829.80/x
  3. Step 3: Cross multiply
    311,037.80x = 466,556.70 × 248,829.80
  4. Step 4: Simplify right side
    311,037.80x = 116,093,210,349.66
  5. Step 5: Solve for x
    x = 116,093,210,349.66/311,037.80
  6. Step 6: Final answer
    x = 373,244.70

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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.