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Finding the Fourth Proportional to 348,690.56, 523,035.84 and 243,714.56

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Solution

The fourth proportional to 348,690.56, 523,035.84 and 243,714.56 is: 365,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,690.56 : 523,035.84 = 243,714.56 : x
  2. Step 2: Convert to fraction form
    348,690.56/523,035.84 = 243,714.56/x
  3. Step 3: Cross multiply
    348,690.56x = 523,035.84 × 243,714.56
  4. Step 4: Simplify right side
    348,690.56x = 127,471,449,609.83
  5. Step 5: Solve for x
    x = 127,471,449,609.83/348,690.56
  6. Step 6: Final answer
    x = 365,571.84

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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.