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Finding the Fourth Proportional to 483,123.60, 724,426.20 and 202,323.60

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Solution

The fourth proportional to 483,123.60, 724,426.20 and 202,323.60 is: 303,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,123.60 : 724,426.20 = 202,323.60 : x
  2. Step 2: Convert to fraction form
    483,123.60/724,426.20 = 202,323.60/x
  3. Step 3: Cross multiply
    483,123.60x = 724,426.20 × 202,323.60
  4. Step 4: Simplify right side
    483,123.60x = 146,568,516,718.32
  5. Step 5: Solve for x
    x = 146,568,516,718.32/483,123.60
  6. Step 6: Final answer
    x = 303,376.85

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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.