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Finding the Fourth Proportional to 283,607.20, 396,525.20 and 283,607.20

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Solution

The fourth proportional to 283,607.20, 396,525.20 and 283,607.20 is: 396,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,607.20 : 396,525.20 = 283,607.20 : x
  2. Step 2: Convert to fraction form
    283,607.20/396,525.20 = 283,607.20/x
  3. Step 3: Cross multiply
    283,607.20x = 396,525.20 × 283,607.20
  4. Step 4: Simplify right side
    283,607.20x = 112,457,401,701.44
  5. Step 5: Solve for x
    x = 112,457,401,701.44/283,607.20
  6. Step 6: Final answer
    x = 396,525.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.