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Finding the Fourth Proportional to 484,330.60, 726,236.70 and 203,530.60

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Solution

The fourth proportional to 484,330.60, 726,236.70 and 203,530.60 is: 305,186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,330.60 : 726,236.70 = 203,530.60 : x
  2. Step 2: Convert to fraction form
    484,330.60/726,236.70 = 203,530.60/x
  3. Step 3: Cross multiply
    484,330.60x = 726,236.70 × 203,530.60
  4. Step 4: Simplify right side
    484,330.60x = 147,811,391,293.02
  5. Step 5: Solve for x
    x = 147,811,391,293.02/484,330.60
  6. Step 6: Final answer
    x = 305,186.98

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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.