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Finding the Fourth Proportional to 481,269.60, 721,904.40 and 200,750.40

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Solution

The fourth proportional to 481,269.60, 721,904.40 and 200,750.40 is: 301,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,269.60 : 721,904.40 = 200,750.40 : x
  2. Step 2: Convert to fraction form
    481,269.60/721,904.40 = 200,750.40/x
  3. Step 3: Cross multiply
    481,269.60x = 721,904.40 × 200,750.40
  4. Step 4: Simplify right side
    481,269.60x = 144,922,597,061.76
  5. Step 5: Solve for x
    x = 144,922,597,061.76/481,269.60
  6. Step 6: Final answer
    x = 301,125.60

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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.