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Finding the Fourth Proportional to 636,276.96, 954,267.84 and 281,097.36

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Solution

The fourth proportional to 636,276.96, 954,267.84 and 281,097.36 is: 421,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,276.96 : 954,267.84 = 281,097.36 : x
  2. Step 2: Convert to fraction form
    636,276.96/954,267.84 = 281,097.36/x
  3. Step 3: Cross multiply
    636,276.96x = 954,267.84 × 281,097.36
  4. Step 4: Simplify right side
    636,276.96x = 268,242,170,556.90
  5. Step 5: Solve for x
    x = 268,242,170,556.90/636,276.96
  6. Step 6: Final answer
    x = 421,580.83

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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.