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Finding the Fourth Proportional to 636,698.46, 954,826.11 and 237,121.20

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Solution

The fourth proportional to 636,698.46, 954,826.11 and 237,121.20 is: 355,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,698.46 : 954,826.11 = 237,121.20 : x
  2. Step 2: Convert to fraction form
    636,698.46/954,826.11 = 237,121.20/x
  3. Step 3: Cross multiply
    636,698.46x = 954,826.11 × 237,121.20
  4. Step 4: Simplify right side
    636,698.46x = 226,409,512,994.53
  5. Step 5: Solve for x
    x = 226,409,512,994.53/636,698.46
  6. Step 6: Final answer
    x = 355,599.28

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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.