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Finding the Fourth Proportional to 355,244.52, 490,244.52 and 194,109.60

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Solution

The fourth proportional to 355,244.52, 490,244.52 and 194,109.60 is: 267,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,244.52 : 490,244.52 = 194,109.60 : x
  2. Step 2: Convert to fraction form
    355,244.52/490,244.52 = 194,109.60/x
  3. Step 3: Cross multiply
    355,244.52x = 490,244.52 × 194,109.60
  4. Step 4: Simplify right side
    355,244.52x = 95,161,167,679.39
  5. Step 5: Solve for x
    x = 95,161,167,679.39/355,244.52
  6. Step 6: Final answer
    x = 267,875.12

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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.