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Finding the Fourth Proportional to 691,586.37, 954,393.37 and 385,682.11

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Solution

The fourth proportional to 691,586.37, 954,393.37 and 385,682.11 is: 532,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,586.37 : 954,393.37 = 385,682.11 : x
  2. Step 2: Convert to fraction form
    691,586.37/954,393.37 = 385,682.11/x
  3. Step 3: Cross multiply
    691,586.37x = 954,393.37 × 385,682.11
  4. Step 4: Simplify right side
    691,586.37x = 368,092,445,361.42
  5. Step 5: Solve for x
    x = 368,092,445,361.42/691,586.37
  6. Step 6: Final answer
    x = 532,243.64

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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.