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Finding the Fourth Proportional to 441,756.96, 662,657.52 and 126,260.40

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Solution

The fourth proportional to 441,756.96, 662,657.52 and 126,260.40 is: 189,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,756.96 : 662,657.52 = 126,260.40 : x
  2. Step 2: Convert to fraction form
    441,756.96/662,657.52 = 126,260.40/x
  3. Step 3: Cross multiply
    441,756.96x = 662,657.52 × 126,260.40
  4. Step 4: Simplify right side
    441,756.96x = 83,667,403,538.21
  5. Step 5: Solve for x
    x = 83,667,403,538.21/441,756.96
  6. Step 6: Final answer
    x = 189,396.91

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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.