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Finding the Fourth Proportional to 488,760.44, 674,492.76 and 270,975.78

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Solution

The fourth proportional to 488,760.44, 674,492.76 and 270,975.78 is: 373,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,760.44 : 674,492.76 = 270,975.78 : x
  2. Step 2: Convert to fraction form
    488,760.44/674,492.76 = 270,975.78/x
  3. Step 3: Cross multiply
    488,760.44x = 674,492.76 × 270,975.78
  4. Step 4: Simplify right side
    488,760.44x = 182,771,197,018.01
  5. Step 5: Solve for x
    x = 182,771,197,018.01/488,760.44
  6. Step 6: Final answer
    x = 373,948.43

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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.