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Finding the Fourth Proportional to 470,289.50, 649,185.51 and 327,132.62

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Solution

The fourth proportional to 470,289.50, 649,185.51 and 327,132.62 is: 451,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,289.50 : 649,185.51 = 327,132.62 : x
  2. Step 2: Convert to fraction form
    470,289.50/649,185.51 = 327,132.62/x
  3. Step 3: Cross multiply
    470,289.50x = 649,185.51 × 327,132.62
  4. Step 4: Simplify right side
    470,289.50x = 212,369,756,752.34
  5. Step 5: Solve for x
    x = 212,369,756,752.34/470,289.50
  6. Step 6: Final answer
    x = 451,572.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.