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Finding the Fourth Proportional to 649,352.64, 896,107.86 and 362,872.73

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Solution

The fourth proportional to 649,352.64, 896,107.86 and 362,872.73 is: 500,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,352.64 : 896,107.86 = 362,872.73 : x
  2. Step 2: Convert to fraction form
    649,352.64/896,107.86 = 362,872.73/x
  3. Step 3: Cross multiply
    649,352.64x = 896,107.86 × 362,872.73
  4. Step 4: Simplify right side
    649,352.64x = 325,173,102,732.32
  5. Step 5: Solve for x
    x = 325,173,102,732.32/649,352.64
  6. Step 6: Final answer
    x = 500,765.04

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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.