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Finding the Fourth Proportional to 355,232.76, 490,215.41 and 194,084.34

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Solution

The fourth proportional to 355,232.76, 490,215.41 and 194,084.34 is: 267,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,232.76 : 490,215.41 = 194,084.34 : x
  2. Step 2: Convert to fraction form
    355,232.76/490,215.41 = 194,084.34/x
  3. Step 3: Cross multiply
    355,232.76x = 490,215.41 × 194,084.34
  4. Step 4: Simplify right side
    355,232.76x = 95,143,134,307.68
  5. Step 5: Solve for x
    x = 95,143,134,307.68/355,232.76
  6. Step 6: Final answer
    x = 267,833.22

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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.