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Finding the Fourth Proportional to 340,571.04, 469,987.86 and 197,414.04

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Solution

The fourth proportional to 340,571.04, 469,987.86 and 197,414.04 is: 272,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,571.04 : 469,987.86 = 197,414.04 : x
  2. Step 2: Convert to fraction form
    340,571.04/469,987.86 = 197,414.04/x
  3. Step 3: Cross multiply
    340,571.04x = 469,987.86 × 197,414.04
  4. Step 4: Simplify right side
    340,571.04x = 92,782,202,193.55
  5. Step 5: Solve for x
    x = 92,782,202,193.55/340,571.04
  6. Step 6: Final answer
    x = 272,431.27

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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.