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Finding the Fourth Proportional to 413,851.60, 620,771.26 and 114,325.55

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Solution

The fourth proportional to 413,851.60, 620,771.26 and 114,325.55 is: 171,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,851.60 : 620,771.26 = 114,325.55 : x
  2. Step 2: Convert to fraction form
    413,851.60/620,771.26 = 114,325.55/x
  3. Step 3: Cross multiply
    413,851.60x = 620,771.26 × 114,325.55
  4. Step 4: Simplify right side
    413,851.60x = 70,970,016,139.88
  5. Step 5: Solve for x
    x = 70,970,016,139.88/413,851.60
  6. Step 6: Final answer
    x = 171,486.63

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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.