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Finding the Fourth Proportional to 483,078.60, 724,358.70 and 202,278.60

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Solution

The fourth proportional to 483,078.60, 724,358.70 and 202,278.60 is: 303,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,078.60 : 724,358.70 = 202,278.60 : x
  2. Step 2: Convert to fraction form
    483,078.60/724,358.70 = 202,278.60/x
  3. Step 3: Cross multiply
    483,078.60x = 724,358.70 × 202,278.60
  4. Step 4: Simplify right side
    483,078.60x = 146,522,263,733.82
  5. Step 5: Solve for x
    x = 146,522,263,733.82/483,078.60
  6. Step 6: Final answer
    x = 303,309.37

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1.5x scale

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.