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Finding the Fourth Proportional to 636,277.96, 954,269.34 and 281,098.36

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Solution

The fourth proportional to 636,277.96, 954,269.34 and 281,098.36 is: 421,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,277.96 : 954,269.34 = 281,098.36 : x
  2. Step 2: Convert to fraction form
    636,277.96/954,269.34 = 281,098.36/x
  3. Step 3: Cross multiply
    636,277.96x = 954,269.34 × 281,098.36
  4. Step 4: Simplify right side
    636,277.96x = 268,243,546,472.28
  5. Step 5: Solve for x
    x = 268,243,546,472.28/636,277.96
  6. Step 6: Final answer
    x = 421,582.33

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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.