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Finding the Fourth Proportional to 357,445.55, 493,273.07 and 194,100.60

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Solution

The fourth proportional to 357,445.55, 493,273.07 and 194,100.60 is: 267,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,445.55 : 493,273.07 = 194,100.60 : x
  2. Step 2: Convert to fraction form
    357,445.55/493,273.07 = 194,100.60/x
  3. Step 3: Cross multiply
    357,445.55x = 493,273.07 × 194,100.60
  4. Step 4: Simplify right side
    357,445.55x = 95,744,598,608.22
  5. Step 5: Solve for x
    x = 95,744,598,608.22/357,445.55
  6. Step 6: Final answer
    x = 267,857.86

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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.