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Finding the Fourth Proportional to 352,672.59, 486,359.06 and 271,970.67

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Solution

The fourth proportional to 352,672.59, 486,359.06 and 271,970.67 is: 375,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,672.59 : 486,359.06 = 271,970.67 : x
  2. Step 2: Convert to fraction form
    352,672.59/486,359.06 = 271,970.67/x
  3. Step 3: Cross multiply
    352,672.59x = 486,359.06 × 271,970.67
  4. Step 4: Simplify right side
    352,672.59x = 132,275,398,048.92
  5. Step 5: Solve for x
    x = 132,275,398,048.92/352,672.59
  6. Step 6: Final answer
    x = 375,065.72

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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.