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Finding the Fourth Proportional to 636,323.50, 954,491.02 and 193,091.50

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Solution

The fourth proportional to 636,323.50, 954,491.02 and 193,091.50 is: 289,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,323.50 : 954,491.02 = 193,091.50 : x
  2. Step 2: Convert to fraction form
    636,323.50/954,491.02 = 193,091.50/x
  3. Step 3: Cross multiply
    636,323.50x = 954,491.02 × 193,091.50
  4. Step 4: Simplify right side
    636,323.50x = 184,304,102,788.33
  5. Step 5: Solve for x
    x = 184,304,102,788.33/636,323.50
  6. Step 6: Final answer
    x = 289,639.00

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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.