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Finding the Fourth Proportional to 475,340.67, 655,970.04 and 274,136.67

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Solution

The fourth proportional to 475,340.67, 655,970.04 and 274,136.67 is: 378,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,340.67 : 655,970.04 = 274,136.67 : x
  2. Step 2: Convert to fraction form
    475,340.67/655,970.04 = 274,136.67/x
  3. Step 3: Cross multiply
    475,340.67x = 655,970.04 × 274,136.67
  4. Step 4: Simplify right side
    475,340.67x = 179,825,442,385.37
  5. Step 5: Solve for x
    x = 179,825,442,385.37/475,340.67
  6. Step 6: Final answer
    x = 378,308.56

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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.