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Finding the Fourth Proportional to 447,671.56, 617,797.86 and 243,733.67

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Solution

The fourth proportional to 447,671.56, 617,797.86 and 243,733.67 is: 336,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,671.56 : 617,797.86 = 243,733.67 : x
  2. Step 2: Convert to fraction form
    447,671.56/617,797.86 = 243,733.67/x
  3. Step 3: Cross multiply
    447,671.56x = 617,797.86 × 243,733.67
  4. Step 4: Simplify right side
    447,671.56x = 150,578,138,832.79
  5. Step 5: Solve for x
    x = 150,578,138,832.79/447,671.56
  6. Step 6: Final answer
    x = 336,358.51

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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.