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Finding the Fourth Proportional to 465,230.59, 642,157.44 and 271,690.50

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Solution

The fourth proportional to 465,230.59, 642,157.44 and 271,690.50 is: 375,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,230.59 : 642,157.44 = 271,690.50 : x
  2. Step 2: Convert to fraction form
    465,230.59/642,157.44 = 271,690.50/x
  3. Step 3: Cross multiply
    465,230.59x = 642,157.44 × 271,690.50
  4. Step 4: Simplify right side
    465,230.59x = 174,468,077,341.57
  5. Step 5: Solve for x
    x = 174,468,077,341.57/465,230.59
  6. Step 6: Final answer
    x = 375,014.20

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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.