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Finding the Fourth Proportional to 461,744.55, 637,158.92 and 268,114.41

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Solution

The fourth proportional to 461,744.55, 637,158.92 and 268,114.41 is: 369,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,744.55 : 637,158.92 = 268,114.41 : x
  2. Step 2: Convert to fraction form
    461,744.55/637,158.92 = 268,114.41/x
  3. Step 3: Cross multiply
    461,744.55x = 637,158.92 × 268,114.41
  4. Step 4: Simplify right side
    461,744.55x = 170,831,486,571.47
  5. Step 5: Solve for x
    x = 170,831,486,571.47/461,744.55
  6. Step 6: Final answer
    x = 369,969.69

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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.