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Finding the Fourth Proportional to 536,847.12, 740,553.24 and 340,254

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Solution

The fourth proportional to 536,847.12, 740,553.24 and 340,254 is: 469,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,847.12 : 740,553.24 = 340,254 : x
  2. Step 2: Convert to fraction form
    536,847.12/740,553.24 = 340,254/x
  3. Step 3: Cross multiply
    536,847.12x = 740,553.24 × 340,254
  4. Step 4: Simplify right side
    536,847.12x = 251,976,202,122.96
  5. Step 5: Solve for x
    x = 251,976,202,122.96/536,847.12
  6. Step 6: Final answer
    x = 469,363.05

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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.