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Finding the Fourth Proportional to 357,689.44, 536,989.42 and 231,856.24

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Solution

The fourth proportional to 357,689.44, 536,989.42 and 231,856.24 is: 348,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,689.44 : 536,989.42 = 231,856.24 : x
  2. Step 2: Convert to fraction form
    357,689.44/536,989.42 = 231,856.24/x
  3. Step 3: Cross multiply
    357,689.44x = 536,989.42 × 231,856.24
  4. Step 4: Simplify right side
    357,689.44x = 124,504,347,840.98
  5. Step 5: Solve for x
    x = 124,504,347,840.98/357,689.44
  6. Step 6: Final answer
    x = 348,079.46

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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.