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Finding the Fourth Proportional to 483,196.80, 724,795.20 and 372,604.80

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Solution

The fourth proportional to 483,196.80, 724,795.20 and 372,604.80 is: 558,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,196.80 : 724,795.20 = 372,604.80 : x
  2. Step 2: Convert to fraction form
    483,196.80/724,795.20 = 372,604.80/x
  3. Step 3: Cross multiply
    483,196.80x = 724,795.20 × 372,604.80
  4. Step 4: Simplify right side
    483,196.80x = 270,062,170,536.96
  5. Step 5: Solve for x
    x = 270,062,170,536.96/483,196.80
  6. Step 6: Final answer
    x = 558,907.20

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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.