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Finding the Fourth Proportional to 482,804.80, 724,207.20 and 303,033.40

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Solution

The fourth proportional to 482,804.80, 724,207.20 and 303,033.40 is: 454,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,804.80 : 724,207.20 = 303,033.40 : x
  2. Step 2: Convert to fraction form
    482,804.80/724,207.20 = 303,033.40/x
  3. Step 3: Cross multiply
    482,804.80x = 724,207.20 × 303,033.40
  4. Step 4: Simplify right side
    482,804.80x = 219,458,970,120.48
  5. Step 5: Solve for x
    x = 219,458,970,120.48/482,804.80
  6. Step 6: Final answer
    x = 454,550.10

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Similar ratio
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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.