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Finding the Fourth Proportional to 647,254.56, 970,882.53 and 349,627.56

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Solution

The fourth proportional to 647,254.56, 970,882.53 and 349,627.56 is: 524,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,254.56 : 970,882.53 = 349,627.56 : x
  2. Step 2: Convert to fraction form
    647,254.56/970,882.53 = 349,627.56/x
  3. Step 3: Cross multiply
    647,254.56x = 970,882.53 × 349,627.56
  4. Step 4: Simplify right side
    647,254.56x = 339,447,290,010.53
  5. Step 5: Solve for x
    x = 339,447,290,010.53/647,254.56
  6. Step 6: Final answer
    x = 524,441.71

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.