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Finding the Fourth Proportional to 483,119.60, 724,420.20 and 202,319.60

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Solution

The fourth proportional to 483,119.60, 724,420.20 and 202,319.60 is: 303,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,119.60 : 724,420.20 = 202,319.60 : x
  2. Step 2: Convert to fraction form
    483,119.60/724,420.20 = 202,319.60/x
  3. Step 3: Cross multiply
    483,119.60x = 724,420.20 × 202,319.60
  4. Step 4: Simplify right side
    483,119.60x = 146,564,405,095.92
  5. Step 5: Solve for x
    x = 146,564,405,095.92/483,119.60
  6. Step 6: Final answer
    x = 303,370.85

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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.