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Finding the Fourth Proportional to 303,607.80, 454,682.70 and 163,056.60

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Solution

The fourth proportional to 303,607.80, 454,682.70 and 163,056.60 is: 244,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,607.80 : 454,682.70 = 163,056.60 : x
  2. Step 2: Convert to fraction form
    303,607.80/454,682.70 = 163,056.60/x
  3. Step 3: Cross multiply
    303,607.80x = 454,682.70 × 163,056.60
  4. Step 4: Simplify right side
    303,607.80x = 74,139,015,140.82
  5. Step 5: Solve for x
    x = 74,139,015,140.82/303,607.80
  6. Step 6: Final answer
    x = 244,193.38

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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.