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Finding the Fourth Proportional to 700.44, 1,049.58 and 483.54

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Solution

The fourth proportional to 700.44, 1,049.58 and 483.54 is: 724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.44 : 1,049.58 = 483.54 : x
  2. Step 2: Convert to fraction form
    700.44/1,049.58 = 483.54/x
  3. Step 3: Cross multiply
    700.44x = 1,049.58 × 483.54
  4. Step 4: Simplify right side
    700.44x = 507,513.91
  5. Step 5: Solve for x
    x = 507,513.91/700.44
  6. Step 6: Final answer
    x = 724.56

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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.